APA (7th ed.) Citation

Strahler, A. N. (1977). Principles of physical geology. Harper & Row.

Chicago Style (17th ed.) Citation

Strahler, Arthur Newell. Principles of Physical Geology. New York: Harper & Row, 1977.

MLA (9th ed.) Citation

Strahler, Arthur Newell. Principles of Physical Geology. Harper & Row, 1977.

Warning: These citations may not always be 100% accurate.