Cita APA

Watt, K. E. F. 1. (1982). Understanding the environment. Boston: Allyn and Bacon, Inc..

Citación estilo Chicago

Watt, Kenneth E. F. 1929-. Understanding the Environment. Boston: Allyn and Bacon, Inc., 1982.

Cita MLA

Watt, Kenneth E. F. 1929-. Understanding the Environment. Boston: Allyn and Bacon, Inc., 1982.