APA (7th ed.) Citation

Holtz, R. D., & Kovacs, W. D. (1981). An introduction to geotechnical engineering. Prentice-Hall.

Chicago Style (17th ed.) Citation

Holtz, R. D., and William D. Kovacs. An Introduction to Geotechnical Engineering. Englewood Cliffs, N.J: Prentice-Hall, 1981.

MLA (9th ed.) Citation

Holtz, R. D., and William D. Kovacs. An Introduction to Geotechnical Engineering. Prentice-Hall, 1981.