Citazione Stile APA (7a Edizione)

Hughes, M. E., & James, A. J. (1964). Wales: A physical, economic and social geography (2nd ed.). Univ. Press.

Citazione stile Chigago Style (17a edizione)

Hughes, Margaret E., e Arnold John James. Wales: A Physical, Economic and Social Geography. 2nd ed. London: Univ. Press, 1964.

Citatione MLA (9a ed.)

Hughes, Margaret E., e Arnold John James. Wales: A Physical, Economic and Social Geography. 2nd ed. Univ. Press, 1964.