APA (7th ed.) Citation

Hawley, A. H. (1971). Urban society: An ecological approach. Ronald Press Co..

Chicago Style (17th ed.) Citation

Hawley, Amos Henry. Urban Society: An Ecological Approach. New York: Ronald Press Co., 1971.

MLA (9th ed.) Citation

Hawley, Amos Henry. Urban Society: An Ecological Approach. Ronald Press Co., 1971.