APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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