APA (7th ed.) Zitazioa

Schults, J. R. (1955). Geology in engineering. John Weley.

Chicago Style (17th ed.) Zitazioa

Schults, John R. Geology in Engineering. New York: John Weley, 1955.

MLA (9th ed.) Zitazioa

Schults, John R. Geology in Engineering. John Weley, 1955.