APA Style

Robert D. Holtz, Ph.D., P.E, william D. Kovacs, Ph.D., P.E.. (1981). An Introduction To Geotechnical Engineering (1). USA: Prentice Hall.

Chicago Style

Robert D. Holtz, Ph.D., P.E, william D. Kovacs, Ph.D., P.E.. An Introduction To Geotechnical Engineering. 1 USA: Prentice Hall, 1981. Text.

MLA Style

Robert D. Holtz, Ph.D., P.E, william D. Kovacs, Ph.D., P.E.. An Introduction To Geotechnical Engineering. 1 USA: Prentice Hall, 1981. Text.

Turabian Style

Robert D. Holtz, Ph.D., P.E, william D. Kovacs, Ph.D., P.E.. An Introduction To Geotechnical Engineering. 1 USA: Prentice Hall, 1981. Print.