Cita APA (7a ed.)

Detwyler, T. R. (1971). Man's impact on environment. McGraw-Hill Book Company.

Cita Chicago Style (17a ed.)

Detwyler, Thomas R. Man's Impact on Environment. New York: McGraw-Hill Book Company, 1971.

Cita MLA (9a ed.)

Detwyler, Thomas R. Man's Impact on Environment. McGraw-Hill Book Company, 1971.