Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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