APA (7th ed.) Citation

Simpson, G. G., & Roe, A. (1939). Quantitative zoology: Numerical concepts and methods in the study of recent and fossil animals. McGraw-Hill book company, inc..

Chicago Style (17th ed.) Citation

Simpson, George Gaylord, and Anne Roe. Quantitative Zoology: Numerical Concepts and Methods in the Study of Recent and Fossil Animals. New York, London: McGraw-Hill book company, inc., 1939.

MLA (9th ed.) Citation

Simpson, George Gaylord, and Anne Roe. Quantitative Zoology: Numerical Concepts and Methods in the Study of Recent and Fossil Animals. McGraw-Hill book company, inc., 1939.