Style de citation APA

Friedman, J. B., Figg, K. M., Westrem, S. D., & Guzman, G. G. (2000). Trade, travel, and exploration in the Middle Ages: An encyclopedia. Garland.

Style de citation Chicago

Friedman, John Block, Kristen Mossler Figg, Scott D. Westrem, et Gregory G. Guzman. Trade, Travel, and Exploration in the Middle Ages: An Encyclopedia. New York, NY [u.a.]: Garland, 2000.

Style de citation MLA

Friedman, John Block, et al. Trade, Travel, and Exploration in the Middle Ages: An Encyclopedia. Garland, 2000.