APA (7th ed.) Citation

Tapp, B. A., & Watkins, J. R. (1990). Energy and mineral resource systems: An introduction. Cambridge University Press.

Chicago Style (17th ed.) Citation

Tapp, B. A., and J. R. Watkins. Energy and Mineral Resource Systems: An Introduction. Cambridge, Eng.: Cambridge University Press, 1990.

MLA (9th ed.) Citation

Tapp, B. A., and J. R. Watkins. Energy and Mineral Resource Systems: An Introduction. Cambridge University Press, 1990.