APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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