Cita APA (7a ed.)

Bradford ,M. G., Kent, W. A., & Editor by Fitzgerald , B. P. (1977). Human Geography: Theories and their applications. O .U. pr..

Cita Chicago Style (17a ed.)

Bradford ,M. G., W. A. Kent, y Brain P. Editor by Fitzgerald. Human Geography: Theories and Their Applications. Oxford: O .U. pr., 1977.

Cita MLA (9a ed.)

Bradford ,M. G., et al. Human Geography: Theories and Their Applications. O .U. pr., 1977.