APA Edition Citation

Peter Gray. (1970). Encyclopaedia of the biological sciences (2.). Van Nostrand Reinhold company.

Chicago Edition Citation

Peter Gray. Encyclopaedia of the Biological Sciences. 2. New York: Van Nostrand Reinhold company, 1970.

MLA Edition Citation

Peter Gray. Encyclopaedia of the Biological Sciences. 2. Van Nostrand Reinhold company, 1970.

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