APA citiranje

Foin, T. C. J. (1976). Ecological systems and the environment. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Foin, Theodore C. Jr. Ecological Systems and the Environment. Boston: Houghton Mifflin, 1976.

MLA citiranje

Foin, Theodore C. Jr. Ecological Systems and the Environment. Houghton Mifflin, 1976.