Chicago Style Citation Guide: Author-Date

(Recommended for Physical, Natural and Social Sciences)

This guide is based on The Chicago Manual of Style, 15th edition (University of Chicago Press, 2003). Examples are shown for the newer Author-Date system recommended for the physical, natural and social sciences. Reference items are listed alphabetically at the end of the research paper. In-Text citations are noted in the body of the paper.

For additional examples, please consult The Chicago Manual of Style 15th edition available in the reference collections of many OSU Library locations (call number Z253 .U69 2003) or refer to The Chicago Manual of Style Web site.

Books (One Author)
Books (Two to Three Authors)
Books (Corporate or Organization Author)
Journal Article (One Author)
Journal Article (Two Authors)
Newspaper Article
Electronic Journal Article
Electronic Book
Thesis or Dissertation
Web Site

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Books (One Author)

Reference List:
Kourik, Robert. 1998. The lavender garden: Beautiful varieties to grow and gather. San Francisco: Chronicle Books.

In-text:
(Kourik 1998, 72)

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Books (Two to Three Authors)

Reference List:
Flinders, David J. and Geoffrey E. Mills, eds. 1993. Theory and concepts in qualitative research: Perspectives from the field. New York: Teachers College Press.

In-text:
(Flinders and Mills 1993, 106-8)

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Books (Corporate or Organization Author)

Reference List:
Ohio State University. Natural Resources Institute. 1959. A directory of Ohio facilities and services for resource conservation. Columbus: Natural Resources Institute.

In-text:
(Ohio State 1959, 33)

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Journal Article (One Author)

Reference List:
Terborgh, James. 1974. Preservation of natural diversity: The problem of extinction-prone species. BioScience 24: 715-22.

In-text:
(Terborgh 1974, 720)

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Journal Article (Two Authors)

Reference List:
Bolzan, John F. and Kristen C. Jezek. 2000. Accumulation rate changes in central Greenland from passive microwave data. Polar Geography 27(4): 277-319.

In-text:
(Bolzan and Jezek 2000, 280)

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Newspaper Article

Reference List:
Zamiska, Nicholas and Nicholas Casey. 2007. Toy makers face dilemma over supplier. Wall Street Journal, August 17, Corporate Focus section.

In-text:
(Zamiska and Casey 2007)

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Electronic Journal Article

Reference List:
Thomas, Trevor M. 1956. Wales: Land of mines and quarries. Geographical Review 46 no. 1: (January), http://www.jstor.org/ (accessed June 30, 2007).

In-text:
(Thomas 1956)

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Electronic Book

Reference List:
Rollin, Bernard E. 1998. The unheeded cry: Animal consciousness, animal pain, and science. Ames, IA: The Iowa State University Press. http://www.netlibrary.com (accessed June 30, 2007).

In-text:
(Rollin 1998)

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Thesis or Dissertation

Reference List:
Karcz, J. 2006. First-principles examination of molecule formation in interstellar grains. PhD diss., Cornell University.

In-text:
(Karcz 2006)

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Web Site

Reference List:
Hermans-Killam, Linda. Infrared astronomy. California Institute of Technology. http://coolcosmos.ipac.caltech.edu/cosmic_classroom/ir_tutorial/ (accessed July 7, 2005).

In-text:
(Hermans-Killam)

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To view other electronic or Internet citations, see net.Tutor Quick Guide: Citing Net Sources.