Cita APA (7th ed.)

Trewartha, G. T. (1966). The Earth's problem climates. University of Wisconsin Press.

Cita Chicago (17th ed.)

Trewartha, Glenn T. The Earth's Problem Climates. Madison: University of Wisconsin Press, 1966.

Cita MLA (9th ed.)

Trewartha, Glenn T. The Earth's Problem Climates. University of Wisconsin Press, 1966.