Citazione Stile APA (7a Edizione)

Ragan, D. M. (2009). Structural Geology: An introduction to geometrical techniques / Donal M. Ragan (4th ed.). Cambridge university.

Citazione stile Chigago Style (17a edizione)

Ragan, Donal M. Structural Geology: An Introduction to Geometrical Techniques / Donal M. Ragan. 4th ed. New York: Cambridge university, 2009.

Citatione MLA (9a ed.)

Ragan, Donal M. Structural Geology: An Introduction to Geometrical Techniques / Donal M. Ragan. 4th ed. Cambridge university, 2009.