Citazione Stile APA (7a Edizione)

Read, H. (1953). Geology: An introduction to earth-history. Oxford University Pr..

Citazione stile Chigago Style (17a edizione)

Read, H.H. Geology: An Introduction to Earth-history. London: Oxford University Pr., 1953.

Citatione MLA (9a ed.)

Read, H.H. Geology: An Introduction to Earth-history. Oxford University Pr., 1953.