Cita APA (7a ed.)
Sauer, C. O. (1952). Agricultural origins and dispersals. The American Geographical Society.
Cita Chicago Style (17a ed.)
Sauer, Carl Ortwin. Agricultural Origins and Dispersals. N. York: The American Geographical Society, 1952.
Cita MLA (9a ed.)
Sauer, Carl Ortwin. Agricultural Origins and Dispersals. The American Geographical Society, 1952.
Precaución: Estas citas no son 100% exactas.