APA (7th ed.) Citation

Jackson, E. (1976). Your national park system in the Southwest in words and color (3d ed., rev.). Southwest Parks and Monuments Association.

Chicago Style (17th ed.) Citation

Jackson, Earl. Your National Park System in the Southwest in Words and Color. 3d ed., rev. Globe, Ariz.: Southwest Parks and Monuments Association, 1976.

MLA (9th ed.) Citation

Jackson, Earl. Your National Park System in the Southwest in Words and Color. 3d ed., rev. Southwest Parks and Monuments Association, 1976.