Cita APA (7a ed.)

Ragan, D. M. (2009). Structural geology: an introduction to: Geometrical techniques. Upr.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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