Cita APA (7a ed.)

TREWARTHA, G. T. (1967). Elements of Geography. McGraw-Hill.

Cita Chicago Style (17a ed.)

TREWARTHA, Glenn T. Elements of Geography. New York: McGraw-Hill, 1967.

Cita MLA (9a ed.)

TREWARTHA, Glenn T. Elements of Geography. McGraw-Hill, 1967.