APA
Sowers G. F., Sowers G. B. i. m. a. f., . (1979). Introductory soil mechanics and foundations. New York: Macmillan.
Chicago
Sowers George F, Sowers George B introductory mechanics and foundations, . 1979. Introductory soil mechanics and foundations. New York: Macmillan.
Harvard
Sowers G. F., Sowers G. B. i. m. a. f., . (1979). Introductory soil mechanics and foundations. New York: Macmillan.
MLA
Sowers George F, Sowers George B introductory mechanics and foundations, . Introductory soil mechanics and foundations. New York: Macmillan. 1979.