APA (7th ed.) Citation

ScienceDirect (Online service) & Duncan, S. S. (1979). Qualitative change in human geography. Pergamon Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and S. S. Duncan. Qualitative Change in Human Geography. Oxford ; New York: Pergamon Press, 1979.

MLA (9th ed.) Citation

ScienceDirect (Online service) and S. S. Duncan. Qualitative Change in Human Geography. Pergamon Press, 1979.

Warning: These citations may not always be 100% accurate.