APA (7th ed.) Citation

Singer, F. L., & Pytel, A. (1980). Strength of materials (3rd ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Singer, Ferdinand L., and Andrew Pytel. Strength of Materials. 3rd ed. New York: Harper & Row, 1980.

MLA (9th ed.) Citation

Singer, Ferdinand L., and Andrew Pytel. Strength of Materials. 3rd ed. Harper & Row, 1980.