APA-viite (7. p.)

Pepper, D. (1997). Modern environmentalism: An introduction. Routledge.

Chicago-viite (17. p.)

Pepper, David. Modern Environmentalism: An Introduction. --New York: Routledge, 1997.

MLA-viite (9. p.)

Pepper, David. Modern Environmentalism: An Introduction. Routledge, 1997.