Cita APA (7a ed.)

Brainerd, J. W. (1971). Nature study for conservation: A handbook for environmental education. MacMillan.

Cita Chicago Style (17a ed.)

Brainerd, John W. Nature Study for Conservation: A Handbook for Environmental Education. New York: MacMillan, 1971.

Cita MLA (8a ed.)

Brainerd, John W. Nature Study for Conservation: A Handbook for Environmental Education. MacMillan, 1971.