APA (7th ed.) Citation

Spangler, M. G. (1951). Soil engineering. International Textbook Co.

Chicago Style (17th ed.) Citation

Spangler, Merlin Grant. Soil Engineering. Scranton: International Textbook Co, 1951.

MLA (9th ed.) Citation

Spangler, Merlin Grant. Soil Engineering. International Textbook Co, 1951.