Citazione Stile APA (7a Edizione)

Kearey, P. (2001). The new Penguin dictionary of geology (2nd ed.). Penguin Books.

Citazione stile Chigago Style (17a edizione)

Kearey, Philip. The New Penguin Dictionary of Geology. 2nd ed. London: Penguin Books, 2001.

Citatione MLA (9a ed.)

Kearey, Philip. The New Penguin Dictionary of Geology. 2nd ed. Penguin Books, 2001.