APA (7th ed.) Citation
Pytel, A., & Singer, F. L. (1999). Strength of materials (4th ed.). Addison-Wesley.
Chicago Style (17th ed.) Citation
Pytel, Andrew, and Ferdinand L. Singer. Strength of Materials. 4th ed. Harlow: Addison-Wesley, 1999.
MLA (9th ed.) Citation
Pytel, Andrew, and Ferdinand L. Singer. Strength of Materials. 4th ed. Addison-Wesley, 1999.
Warning: These citations may not always be 100% accurate.