Cita APA

Billings, M. (1972). Structural Geology. Prentice-Hall of India.

Chicago Edition Citation

Billings, Marland.P. Structural Geology. Delhi: Prentice-Hall of India, 1972.

Cita MLA

Billings, Marland.P. Structural Geology. Prentice-Hall of India, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.