APA (7th ed.) Citation

Ragan, D. M. (1968). Structural geology: An introduction to geometrical techniques. J. Wiley.

Chicago Style (17th ed.) Citation

Ragan, Donal M. Structural Geology: An Introduction to Geometrical Techniques. New York: J. Wiley, 1968.

MLA (9th ed.) Citation

Ragan, Donal M. Structural Geology: An Introduction to Geometrical Techniques. J. Wiley, 1968.