APA (7th ed.) Citation

Mercer, I., Anderson, F., & Castle, R. (1981). The changing earth. Silver Burdett Co..

Chicago Style (17th ed.) Citation

Mercer, Ian, Fred Anderson, and Roy Castle. The Changing Earth. Morristown, N.J.: Silver Burdett Co., 1981.

MLA (8th ed.) Citation

Mercer, Ian, et al. The Changing Earth. Silver Burdett Co., 1981.