APA (7th ed.) Citation

NetLibrary, Inc, & Patterson, A. (1992). A Field guide to rock art symbols of the greater Southwest. Johnson Books.

Chicago Style (17th ed.) Citation

NetLibrary, Inc, and Alex Patterson. A Field Guide to Rock Art Symbols of the Greater Southwest. Boulder: Johnson Books, 1992.

MLA (9th ed.) Citation

NetLibrary, Inc, and Alex Patterson. A Field Guide to Rock Art Symbols of the Greater Southwest. Johnson Books, 1992.

Warning: These citations may not always be 100% accurate.