Cita APA

Engeln, O. D. v., & Caster, K. E. (1952). Geology. McGraw-Hill.

Citación estilo Chicago

Engeln, O. D. von, and Kenneth E. Caster. Geology. Nueva York: McGraw-Hill, 1952.

Cita MLA

Engeln, O. D. von, and Kenneth E. Caster. Geology. McGraw-Hill, 1952.