Cita APA

Knox, P., & Agnew, J. A. (1989). The geography of the world economy. New York: Edwars Arnold.

Citación estilo Chicago

Knox, Paul, y John A. Agnew. The Geography of the World Economy. New York: Edwars Arnold, 1989.

Cita MLA

Knox, Paul, y John A. Agnew. The Geography of the World Economy. New York: Edwars Arnold, 1989.