Citazione Stile APA (7a Edizione)

Whitten, D. G. A., & Brooks, J. R. V. (1988). The Penguin dictionary of geology (Repr.). Penguin Books.

Citazione stile Chigago Style (17a edizione)

Whitten, D. G. A.., e J. R. V. Brooks. The Penguin Dictionary of Geology. Repr. Harmondsworth: Penguin Books, 1988.

Citatione MLA (9a ed.)

Whitten, D. G. A.., e J. R. V. Brooks. The Penguin Dictionary of Geology. Repr. Penguin Books, 1988.