Tapp, B. A., & Watkins, J. R. (1990). Energy and mineral resource systems: An introduction (1. publ.). Cambridge Univ. Press.
Chicago Style (17th ed.) CitationTapp, B. A., and J. R. Watkins. Energy and Mineral Resource Systems: An Introduction. 1. publ. Cambridge u.a: Cambridge Univ. Press, 1990.
MLA (9th ed.) CitationTapp, B. A., and J. R. Watkins. Energy and Mineral Resource Systems: An Introduction. 1. publ. Cambridge Univ. Press, 1990.
Warning: These citations may not always be 100% accurate.