Citazione Stile APA (7a Edizione)

Gyford, C. B. (1964). Geography: First year G.C.E. course (1. publ.). Dent.

Citazione stile Chigago Style (17a edizione)

Gyford, C. B. Geography: First Year G.C.E. Course. 1. publ. London: Dent, 1964.

Citatione MLA (9a ed.)

Gyford, C. B. Geography: First Year G.C.E. Course. 1. publ. Dent, 1964.