Citazione Stile APA (7a Edizione)

Ragan, D. M. (2009). Structural Geology: : an introduction to geometrical techniques. Cambridge university.

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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