Cita APA (7th ed.)
Arling, D. H. GEOLOGY, Economic, and Geotectonics.
Cita Chicago (17th ed.)
Arling, Donald Harvey. GEOLOGY, Economic, and Geotectonics.
Cita MLA (9th ed.)
Arling, Donald Harvey. GEOLOGY, Economic, and Geotectonics.
Atenció: Aquestes cites poden no estar 100% correctes.