APA (7th ed.) Citation

SMITH, R. L. (1980). Ecology and field biologyRobert Leo Smith. Harper & Row Publisher.

Chicago Style (17th ed.) Citation

SMITH, Robert Leo. Ecology and Field BiologyRobert Leo Smith. Harper & Row Publisher, 1980.

MLA (8th ed.) Citation

SMITH, Robert Leo. Ecology and Field BiologyRobert Leo Smith. Harper & Row Publisher, 1980.

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