Cita APA (7a ed.)

Fotheringham, A. S., & O'Kelly, M. E. (1989). Spatial interaction models: Formulations and applications. Kluwer Academic.

Cita Chicago Style (17a ed.)

Fotheringham, A. Stewart, y Morton E. O'Kelly. Spatial Interaction Models: Formulations and Applications. Dordrecht [etc.]: Kluwer Academic, 1989.

Cita MLA (9a ed.)

Fotheringham, A. Stewart, y Morton E. O'Kelly. Spatial Interaction Models: Formulations and Applications. Kluwer Academic, 1989.