APA (7th ed.) Citation

Koch, G. S. (1990). Geological problem solving with LOTUS 1-2-3 for exploration and mining geology (with programs on diskette). Pergamon Press.

Chicago Style (17th ed.) Citation

Koch, George S. Geological Problem Solving with LOTUS 1-2-3 for Exploration and Mining Geology (with Programs on Diskette). Oxford: Pergamon Press, 1990.

MLA (9th ed.) Citation

Koch, George S. Geological Problem Solving with LOTUS 1-2-3 for Exploration and Mining Geology (with Programs on Diskette). Pergamon Press, 1990.