Cita APA (7a ed.)

Ragan, D. M. (1985). Structural geology: An introduction to geometrical techniques (3rd ed.). Wiley.

Cita Chicago Style (17a ed.)

Ragan, Donal M. Structural Geology: An Introduction to Geometrical Techniques. 3rd ed. New York: Wiley, 1985.

Cita MLA (8a ed.)

Ragan, Donal M. Structural Geology: An Introduction to Geometrical Techniques. 3rd ed. Wiley, 1985.