Citazione Stile APA (7a Edizione)

Noyle, G., & Lay, E. J. S. (1965). Twenty essential studies in geography (2. ed., repr.). Macmillan.

Citazione stile Chigago Style (17a edizione)

Noyle, George, e E. J. S. Lay. Twenty Essential Studies in Geography. 2. ed., repr. London: Macmillan, 1965.

Citatione MLA (9a ed.)

Noyle, George, e E. J. S. Lay. Twenty Essential Studies in Geography. 2. ed., repr. Macmillan, 1965.