Cita APA

Coenraads, R. R. (2007). Geologica: : Earth's dynamic forces. Millennium House.

Chicago Edition Citation

Coenraads, Robert R. Geologica: : Earth's Dynamic Forces. Millennium House, 2007.

Cita MLA

Coenraads, Robert R. Geologica: : Earth's Dynamic Forces. Millennium House, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.