APA (7e ed.) Bronvermelding

Campbell, E. W. C., & Walker, E. F. (1931). An archeological survey of the Twenty Nine Palms region. Southwest Museum.

Chicago (17e ed.) Bronvermelding

Campbell, Elizabeth Warder Crozer, en Edwin F. Walker. An Archeological Survey of the Twenty Nine Palms Region. Los Angeles: Southwest Museum, 1931.

MLA (9e ed.) Bronvermelding

Campbell, Elizabeth Warder Crozer, en Edwin F. Walker. An Archeological Survey of the Twenty Nine Palms Region. Southwest Museum, 1931.