APA (7th ed.) Citation

Puerto Rico. Department of Natural Resources, University of Puerto Rico (Mayagüez Campus), Geological Survey (U.S.), & Bawiec, W. J. (2001). Geology, geochemistry, geophysics, mineral occurrences, and mineral resource assessment for the commonwealth of Puerto Rico. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Puerto Rico. Department of Natural Resources, University of Puerto Rico (Mayagüez Campus), Geological Survey (U.S.), and W. J. Bawiec. Geology, Geochemistry, Geophysics, Mineral Occurrences, and Mineral Resource Assessment for the Commonwealth of Puerto Rico. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

MLA (9th ed.) Citation

Puerto Rico. Department of Natural Resources, et al. Geology, Geochemistry, Geophysics, Mineral Occurrences, and Mineral Resource Assessment for the Commonwealth of Puerto Rico. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.