Cita APA (7a ed.)

Boyd, A. (1991). An atlas of world affairs (9th ed.). Routledge.

Cita Chicago Style (17a ed.)

Boyd, Andrew. An Atlas of World Affairs. 9th ed. London, New York: Routledge, 1991.

Cita MLA (9a ed.)

Boyd, Andrew. An Atlas of World Affairs. 9th ed. Routledge, 1991.