APA (7th ed.) Citation

Patnaik, S. N., & Hopkins, D. A. (2004). Strength of materials: A unified theory. Elsevier/Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Patnaik, Surya N., and Dale A. Hopkins. Strength of Materials: A Unified Theory. Amsterdam Boston: Elsevier/Butterworth-Heinemann, 2004.

MLA (8th ed.) Citation

Patnaik, Surya N., and Dale A. Hopkins. Strength of Materials: A Unified Theory. Elsevier/Butterworth-Heinemann, 2004.