APA (7th ed.) Citation

(1965). Geography in the twentieth century: A study of growth, fields, techniques, aims and trends (3. ed., enl., repr.). Philosophical Library.

Chicago Style (17th ed.) Citation

Geography in the Twentieth Century: A Study of Growth, Fields, Techniques, Aims and Trends. 3. ed., enl., repr. New York: Philosophical Library, 1965.

MLA (9th ed.) Citation

Geography in the Twentieth Century: A Study of Growth, Fields, Techniques, Aims and Trends. 3. ed., enl., repr. Philosophical Library, 1965.