Kals, W. S., & Soles, C. (2005). Land navigation handbook: The Sierra Club guide to map, compass & GPS (2nd ed.). Sierra Club Books.
Chicago Style (17th ed.) CitationKals, W. S., and Clyde Soles. Land Navigation Handbook: The Sierra Club Guide to Map, Compass & GPS. 2nd ed. San Francisco: Sierra Club Books, 2005.
MLA (9th ed.) CitationKals, W. S., and Clyde Soles. Land Navigation Handbook: The Sierra Club Guide to Map, Compass & GPS. 2nd ed. Sierra Club Books, 2005.
Warning: These citations may not always be 100% accurate.