Cita APA (7a ed.)

Earle, C. (1992). Geographical inquiry and American historical problems. Stanford University Press.

Cita Chicago Style (17a ed.)

Earle, Carville. Geographical Inquiry and American Historical Problems. Stanford: Stanford University Press, 1992.

Cita MLA (9a ed.)

Earle, Carville. Geographical Inquiry and American Historical Problems. Stanford University Press, 1992.