APA (7th ed.) Citation

Spangler, M. G. (1960). Soil engineering (2. ed.). Internat. Textbook Co.

Chicago Style (17th ed.) Citation

Spangler, Merlin G. Soil Engineering. 2. ed. Scranton, Penn: Internat. Textbook Co, 1960.

MLA (9th ed.) Citation

Spangler, Merlin G. Soil Engineering. 2. ed. Internat. Textbook Co, 1960.