Robertson, F., & Laird, W. M. (1967). Historical geology: Manual of laboratory exercises (2a. ed.). Minneapolis: Burgess.
Chicago Style CitationRobertson, Forbes, and Wilson M. Laird. Historical Geology: Manual of Laboratory Exercises. 2a. ed. Minneapolis: Burgess, 1967.
MLA CitationRobertson, Forbes, and Wilson M. Laird. Historical Geology: Manual of Laboratory Exercises. 2a. ed. Minneapolis: Burgess, 1967.
Warning: These citations may not always be 100% accurate.