APA (7th ed.) Citation

Haggett, P., Cliff, A., & Frey, A. (1977). Locational analysis in human geography (2. ed.). Arnold.

Chicago Style (17th ed.) Citation

Haggett, Peter, Andrew Cliff, and Allan Frey. Locational Analysis in Human Geography. 2. ed. London: Arnold, 1977.

MLA (9th ed.) Citation

Haggett, Peter, et al. Locational Analysis in Human Geography. 2. ed. Arnold, 1977.