Cita APA (7a ed.)

Forbes, D. (1984). The geography of underdevelopment: A critical survey. Helm.

Cita Chicago Style (17a ed.)

Forbes, D.K. The Geography of Underdevelopment: A Critical Survey. London [etc.]: Helm, 1984.

Cita MLA (9a ed.)

Forbes, D.K. The Geography of Underdevelopment: A Critical Survey. Helm, 1984.