Cita APA (7a ed.)
Boehm, R. G., James L. Swanson, & Robbert Bednarz. (1995). World Geography: A physical and cultural approach. Glencoe/ McGraw-Hill.
Cita Chicago Style (17a ed.)
Boehm, Richard G., James L. Swanson, y Robbert Bednarz. World Geography: A Physical and Cultural Approach. New York: Glencoe/ McGraw-Hill, 1995.
Cita MLA (9a ed.)
Boehm, Richard G., et al. World Geography: A Physical and Cultural Approach. Glencoe/ McGraw-Hill, 1995.
Precaución: Estas citas no son 100% exactas.