Ashbaugh, K. M., & Metcalf, A. L. (1986). Fossil molluscan faunas from four spring-related deposits in the northern Chihuahuan Desert, southern New Mexico and westernmost Texas. New Mexico Bureau of Mines & Mineral Resources.
Chicago Style (17th ed.) CitationAshbaugh, Karen McCort, and Artie L. Metcalf. Fossil Molluscan Faunas from Four Spring-related Deposits in the Northern Chihuahuan Desert, Southern New Mexico and Westernmost Texas. Socorro: New Mexico Bureau of Mines & Mineral Resources, 1986.
MLA (9th ed.) CitationAshbaugh, Karen McCort, and Artie L. Metcalf. Fossil Molluscan Faunas from Four Spring-related Deposits in the Northern Chihuahuan Desert, Southern New Mexico and Westernmost Texas. New Mexico Bureau of Mines & Mineral Resources, 1986.
Warning: These citations may not always be 100% accurate.