APA (7th ed.) Citation

Mehrtens, J. M. (1987). Living snakes of the world in color. Sterling Pub. Co.

Chicago Style (17th ed.) Citation

Mehrtens, John M. Living Snakes of the World in Color. New York [u.a.]: Sterling Pub. Co, 1987.

MLA (9th ed.) Citation

Mehrtens, John M. Living Snakes of the World in Color. Sterling Pub. Co, 1987.