Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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