APA (7th ed.) Citation

Sowers, G. B., & Sowers, G. F. (1970). Introductory soil mechanics and foundations (3rd ed.). Macmillan.

Chicago Style (17th ed.) Citation

Sowers, George B., and George F. Sowers. Introductory Soil Mechanics and Foundations. 3rd ed. [New York]: Macmillan, 1970.

MLA (9th ed.) Citation

Sowers, George B., and George F. Sowers. Introductory Soil Mechanics and Foundations. 3rd ed. Macmillan, 1970.