APA Style

Tapp, B., Watkins, J. R.. (1990). Energy and mineral resource system : an introduction . Cambridge, USA: Cambridge University Press.

Chicago Style

Tapp, B., Watkins, J. R.. Energy and mineral resource system : an introduction. Cambridge, USA: Cambridge University Press, 1990. Text.

MLA Style

Tapp, B., Watkins, J. R.. Energy and mineral resource system : an introduction. Cambridge, USA: Cambridge University Press, 1990. Text.

Turabian Style

Tapp, B., Watkins, J. R.. Energy and mineral resource system : an introduction. Cambridge, USA: Cambridge University Press, 1990. Print.