Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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