Cita APA (7a ed.)

Marsden, B., Marsden, V., & Catling, S. (1993). Oliver and Boyd geography (1. publ., 2. impression.). Oliver & Boyd.

Cita Chicago Style (17a ed.)

Marsden, Bill, Vera Marsden, y Simon Catling. Oliver and Boyd Geography. 1. publ., 2. impression. Harlow: Oliver & Boyd, 1993.

Cita MLA (9a ed.)

Marsden, Bill, et al. Oliver and Boyd Geography. 1. publ., 2. impression. Oliver & Boyd, 1993.