APA (7th ed.) Citation

Gekker, R. F., Elias, M. K., & Moore, R. C. (1965). Introduction to paleoecology. American Elsevier Pub. Co..

Chicago Style (17th ed.) Citation

Gekker, R. F., Maxim K. Elias, and Raymond C. Moore. Introduction to Paleoecology. New York: American Elsevier Pub. Co., 1965.

MLA (9th ed.) Citation

Gekker, R. F., et al. Introduction to Paleoecology. American Elsevier Pub. Co., 1965.