APA (7th ed.) Citation

Gray, P. (1961). Encyclopedia of the biological sciences. Reinhold Publishing.

Chicago Style (17th ed.) Citation

Gray, Peter. Encyclopedia of the Biological Sciences. New York: Reinhold Publishing, 1961.

MLA (9th ed.) Citation

Gray, Peter. Encyclopedia of the Biological Sciences. Reinhold Publishing, 1961.

Warning: These citations may not always be 100% accurate.