Cita APA (7a ed.)

STRAHLER, A. N. (1971). The earth Sciences. Harper & Row.

Cita Chicago Style (17a ed.)

STRAHLER, Arthur N. The Earth Sciences. New York: Harper & Row, 1971.

Cita MLA (9a ed.)

STRAHLER, Arthur N. The Earth Sciences. Harper & Row, 1971.