Cita APA

Turk, J. (1989). Introduction to environmental studies. Saunders College.

Citación estilo Chicago

Turk, Jonathan. Introduction to Environmental Studies. New York: Saunders College, 1989.

Cita MLA

Turk, Jonathan. Introduction to Environmental Studies. Saunders College, 1989.

Warning: These citations may not always be 100% accurate.