Citazione Stile APA (7a Edizione)

Knowles, R. D., & Wareing, J. (1983). Economic and social geography (4. ed., reprinted.). Heinemann.

Citazione stile Chigago Style (17a edizione)

Knowles, Richard D., e J. Wareing. Economic and Social Geography. 4. ed., reprinted. London: Heinemann, 1983.

Citatione MLA (9a ed.)

Knowles, Richard D., e J. Wareing. Economic and Social Geography. 4. ed., reprinted. Heinemann, 1983.