APA Citation

Das, B. M., & Khalid, S. (2018). Principles of geotechnical engineering (Ninth Edition.). ♭2018: Cengage Learning.

Chicago Style Citation

Das, Braja M., and Sobhan Khalid. Principles of Geotechnical Engineering. Ninth Edition. ♭2018: Cengage Learning, 2018.

MLA Citation

Das, Braja M., and Sobhan Khalid. Principles of Geotechnical Engineering. Ninth Edition. ♭2018: Cengage Learning, 2018.

Warning: These citations may not always be 100% accurate.