APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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