Essentials of geology /
Frederick K. Lutgens, Edward J. Tarbuck.
APA Citation
Lutgens, F. K., Tarbuck, E. J. (1998). Essentials of geology. 6th ed. / Upper Saddle River, N.J.: Prentice Hall.
MLA Citation
Lutgens, Frederick K, and Edward J Tarbuck. Essentials of Geology. 6th ed. / Upper Saddle River, N.J.: Prentice Hall, 1998.
Warning: These citations may not always be complete (especially for serials).