APA (7th ed.) Citation

Schmalhausen, I. I., & Thomson, K. S. (1968). The origin of terrestrial vertebrates. Academic Press.

Chicago Style (17th ed.) Citation

Schmalhausen, Ivan Ivanovich, and Ketih Steward Thomson. The Origin of Terrestrial Vertebrates. New York: Academic Press, 1968.

MLA (9th ed.) Citation

Schmalhausen, Ivan Ivanovich, and Ketih Steward Thomson. The Origin of Terrestrial Vertebrates. Academic Press, 1968.

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