APA (7th ed.) Citation

Hard, J. M. (1975). Biology. The Hamlyn Publishing Group.

Chicago Style (17th ed.) Citation

Hard, John M. Biology. New York: The Hamlyn Publishing Group, 1975.

MLA (9th ed.) Citation

Hard, John M. Biology. The Hamlyn Publishing Group, 1975.

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