APA (7th ed.) Citation

Eardley, A. J. (1951). Structural geology of North America. Harper.

Chicago Style (17th ed.) Citation

Eardley, Armand John. Structural Geology of North America. New York: Harper, 1951.

MLA (9th ed.) Citation

Eardley, Armand John. Structural Geology of North America. Harper, 1951.

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