Cita APA (7a ed.)

East, W. G., & Moodie, A. E. (1956). The changing world: Studies in political geography. George G. Harrap & Co..

Cita Chicago Style (17a ed.)

East, W. G., y A. E. Moodie. The Changing World: Studies in Political Geography. London: George G. Harrap & Co., 1956.

Cita MLA (8a ed.)

East, W. G., y A. E. Moodie. The Changing World: Studies in Political Geography. George G. Harrap & Co., 1956.