Cita APA (7a ed.)

Zisch, W. E., Douglas, P. H., & Weaver, R. C. (1969). The urban environment: How it can be improved. University press.

Cita Chicago Style (17a ed.)

Zisch, William E., Paul H. Douglas, y Robert Clifton Weaver. The Urban Environment: How It Can Be Improved. New York: University press, 1969.

Cita MLA (9a ed.)

Zisch, William E., et al. The Urban Environment: How It Can Be Improved. University press, 1969.