APA (7th ed.) Citation

Gray, P. (1970). The encyclopedia of the biological sciences (2nd ed.). Van Nostrand Reinhold Company.

Chicago Style (17th ed.) Citation

Gray, Peter. The Encyclopedia of the Biological Sciences. 2nd ed. New York: Van Nostrand Reinhold Company, 1970.

MLA (8th ed.) Citation

Gray, Peter. The Encyclopedia of the Biological Sciences. 2nd ed. Van Nostrand Reinhold Company, 1970.

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