Cita APA (7a ed.)

Ross, S., & Stott, K. (1985). Columbus and the age of exploration (1. publ.). Wayland.

Cita Chicago Style (17a ed.)

Ross, Stewart, y Ken Stott. Columbus and the Age of Exploration. 1. publ. Hove: Wayland, 1985.

Cita MLA (9a ed.)

Ross, Stewart, y Ken Stott. Columbus and the Age of Exploration. 1. publ. Wayland, 1985.