APA (7th ed.) Citation

Smith, G. N. (1990). Elements of soil mechanics (6th ed.). BSP Professional Books.

Chicago Style (17th ed.) Citation

Smith, G. N. Elements of Soil Mechanics. 6th ed. Oxford: BSP Professional Books, 1990.

MLA (9th ed.) Citation

Smith, G. N. Elements of Soil Mechanics. 6th ed. BSP Professional Books, 1990.

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