Robertson, F., & Laird, W. M. (1966). General geology: Manual of laboratory exercises. Burgess Publishing Company.
Chicago Style (17th ed.) CitationRobertson, Forbes, and Wilson M. Laird. General Geology: Manual of Laboratory Exercises. Minessota: Burgess Publishing Company, 1966.
MLA (9th ed.) CitationRobertson, Forbes, and Wilson M. Laird. General Geology: Manual of Laboratory Exercises. Burgess Publishing Company, 1966.
Warning: These citations may not always be 100% accurate.