APA (7th ed.) Citation

Edward O. Wilson & Wilson, E. O. (1978). Life on earth (2nd ed.). Sinauer.

Chicago Style (17th ed.) Citation

Edward O. Wilson and Edward O. Wilson. Life on Earth. 2nd ed. Sunderland, Mass: Sinauer, 1978.

MLA (9th ed.) Citation

Edward O. Wilson and Edward O. Wilson. Life on Earth. 2nd ed. Sinauer, 1978.