Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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