APA (7th ed.) Citation

Ragan, D. M. (1973). Structural geology: An introduction to geometrical techniques (2d ed.). Wiley.

Chicago Style (17th ed.) Citation

Ragan, Donal M. Structural Geology: An Introduction to Geometrical Techniques. 2d ed. New York: Wiley, 1973.

MLA (9th ed.) Citation

Ragan, Donal M. Structural Geology: An Introduction to Geometrical Techniques. 2d ed. Wiley, 1973.