Cita APA (7a ed.)

Clarke, J. I., & Fisher, W. B. (1981). Population geography and the developing countries (1. ed., reprinted.). Pergamon Pr.

Cita Chicago Style (17a ed.)

Clarke, John Innes, y W. B. Fisher. Population Geography and the Developing Countries. 1. ed., reprinted. Oxford [u.a.]: Pergamon Pr, 1981.

Cita MLA (9a ed.)

Clarke, John Innes, y W. B. Fisher. Population Geography and the Developing Countries. 1. ed., reprinted. Pergamon Pr, 1981.