Cita APA (7a ed.)

Hammond, R., & MacCullagh, P. (1974). Quantitative techniques in geography: An introduction. Clarendon Press.

Cita Chicago Style (17a ed.)

Hammond, Robert, y Patrick MacCullagh. Quantitative Techniques in Geography: An Introduction. Oxford: Clarendon Press, 1974.

Cita MLA (9a ed.)

Hammond, Robert, y Patrick MacCullagh. Quantitative Techniques in Geography: An Introduction. Clarendon Press, 1974.