APA-viite (7. p.)

Kula, E. (1998). History of environmental economic thought. Routledge.

Chicago-viite (17. p.)

Kula, Erhun. History of Environmental Economic Thought. London ; New York: Routledge, 1998.

MLA-viite (9. p.)

Kula, Erhun. History of Environmental Economic Thought. Routledge, 1998.