Cita APA

Knowles, R., & Wareing, J. (1983). Economic and social geography: Made simple (4th ed., repr. with revisions.). Heinemann.

Citación estilo Chicago

Knowles, R., and J. Wareing. Economic and Social Geography: Made Simple. 4th ed., repr. with revisions. London: Heinemann, 1983.

Cita MLA

Knowles, R., and J. Wareing. Economic and Social Geography: Made Simple. 4th ed., repr. with revisions. Heinemann, 1983.