Du Bray, E. A., Yager, D. B., & Pallister, J. S. (1993). Chiricahua Peak quadrangle, Cochise County, Arizona - analytic data and geologic sample catalog: Geochemical data for and availability of samples collected during geologic mapping of the quadrangle. USGS Map Distribution.
Chicago Style (17th ed.) CitationDu Bray, Edward A., Douglas B. Yager, and John S. Pallister. Chiricahua Peak Quadrangle, Cochise County, Arizona - Analytic Data and Geologic Sample Catalog: Geochemical Data for and Availability of Samples Collected During Geologic Mapping of the Quadrangle. Denver, CO: USGS Map Distribution, 1993.
MLA (9th ed.) CitationDu Bray, Edward A., et al. Chiricahua Peak Quadrangle, Cochise County, Arizona - Analytic Data and Geologic Sample Catalog: Geochemical Data for and Availability of Samples Collected During Geologic Mapping of the Quadrangle. USGS Map Distribution, 1993.