Symposium on the Biological Resources of the Chihuahuan Desert Region, U. S. a. M., Wauer, R. H., & Riskind, D. H. (1977). Transactions of the Symposium on the Biological Resources of the Chihuahuan Desert Region, United States and Mexico. [Estados Unidos]: U.S. Dept. of the Interior, National Park Service.
Chicago Style CitationSymposium on the Biological Resources of the Chihuahuan Desert Region, United States and Mexico, Roland H. Wauer, and David H. Riskind. Transactions of the Symposium On the Biological Resources of the Chihuahuan Desert Region, United States and Mexico. [Estados Unidos]: U.S. Dept. of the Interior, National Park Service, 1977.
MLA CitationSymposium on the Biological Resources of the Chihuahuan Desert Region, United States and Mexico, Roland H. Wauer, and David H. Riskind. Transactions of the Symposium On the Biological Resources of the Chihuahuan Desert Region, United States and Mexico. [Estados Unidos]: U.S. Dept. of the Interior, National Park Service, 1977.