APA (7th ed.) Citation

Gray, P. (1967). The dictionary of the biological sciences. Reinhold Pub. Corp..

Chicago Style (17th ed.) Citation

Gray, Peter. The Dictionary of the Biological Sciences. New York: Reinhold Pub. Corp., 1967.

MLA (9th ed.) Citation

Gray, Peter. The Dictionary of the Biological Sciences. Reinhold Pub. Corp., 1967.