APA (7th ed.) Citation

Haggett, P., Cliff, A. D., & Frey, A. E. (1977). Locational analysis in human geography: 2, Locational methods (2nd ed.). J. Wiley.

Chicago Style (17th ed.) Citation

Haggett, Peter, Andrew David Cliff, and Allan E. Frey. Locational Analysis in Human Geography: 2, Locational Methods. 2nd ed. New York: J. Wiley, 1977.

MLA (9th ed.) Citation

Haggett, Peter, et al. Locational Analysis in Human Geography: 2, Locational Methods. 2nd ed. J. Wiley, 1977.