APA Zitierstil

Birdsall, S. S. (1990). An outline of American geography. New York: United States Information Agency.

Chicago Zitierstil

Birdsall, Stephen S. An Outline of American Geography. New York: United States Information Agency, 1990.

MLA Zitierstil

Birdsall, Stephen S. An Outline of American Geography. New York: United States Information Agency, 1990.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.