Cita APA (7a ed.)

Hagget, P., & Cliff, A. D. (1977). Locational methods. Edward Arnold.

Cita Chicago Style (17a ed.)

Hagget, Peter, y Andrew D. Cliff. Locational Methods. Londres: Edward Arnold, 1977.

Cita MLA (8a ed.)

Hagget, Peter, y Andrew D. Cliff. Locational Methods. Edward Arnold, 1977.