Cita APA (7a ed.)
(1992). <An> Outline of American Geography (1. ed.). United States Information Agency.
Cita Chicago Style (17a ed.)
<An> Outline of American Geography. 1. ed. Washington: United States Information Agency, 1992.
Cita MLA (9a ed.)
<An> Outline of American Geography. 1. ed. United States Information Agency, 1992.
Precaución: Estas citas no son 100% exactas.