Cita APA (7a ed.)

Billings, M. (2019). Structural Geology (8th.). Pearson.

Cita Chicago Style (17a ed.)

Billings, Marland. Structural Geology. 8th. New Delhi: Pearson, 2019.

Cita MLA (9a ed.)

Billings, Marland. Structural Geology. 8th. Pearson, 2019.