APA (7th ed.) Citation

Johnston, R. J., & Gregory, D. (1981). Dictionary of human geography. Blackwell.

Chicago Style (17th ed.) Citation

Johnston, R. J., and Derek Gregory. Dictionary of Human Geography. Oxford: Blackwell, 1981.

MLA (9th ed.) Citation

Johnston, R. J., and Derek Gregory. Dictionary of Human Geography. Blackwell, 1981.

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