Cita APA (7a ed.)

Pulsipher, A., & Goodwin, C. M. (2011). World regional geography: Global patterns, local lives (5. ed.). Freeman.

Cita Chicago Style (17a ed.)

Pulsipher, Alex, y Conrad Mac Goodwin. World Regional Geography: Global Patterns, Local Lives. 5. ed. New York: Freeman, 2011.

Cita MLA (9a ed.)

Pulsipher, Alex, y Conrad Mac Goodwin. World Regional Geography: Global Patterns, Local Lives. 5. ed. Freeman, 2011.