APA (7th ed.) Citation

Pytel, A., & Singer, F. L. (1987). Strength of materials (4th ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Pytel, Andrew, and Ferdinand Leon Singer. Strength of Materials. 4th ed. New York: Harper & Row, 1987.

MLA (9th ed.) Citation

Pytel, Andrew, and Ferdinand Leon Singer. Strength of Materials. 4th ed. Harper & Row, 1987.