APA (7th ed.) Citation

Purves, W. K. (1992). Life: The science of biology (3rd ed.). Sinauer.

Chicago Style (17th ed.) Citation

Purves, William K. Life: The Science of Biology. 3rd ed. Sunderland, Mass: Sinauer, 1992.

MLA (9th ed.) Citation

Purves, William K. Life: The Science of Biology. 3rd ed. Sinauer, 1992.