APA (7th ed.) Citation

Van Harssel, J., Hudman, L., & Jackson, R. (2015). National Geographic learning's visual geography of travel and tourism (5th ed.). National Geographic Learning.

Chicago Style (17th ed.) Citation

Van Harssel, Jan, Lloyd Hudman, and Richard Jackson. National Geographic Learning's Visual Geography of Travel and Tourism. 5th ed. Boston, MA: National Geographic Learning, 2015.

MLA (9th ed.) Citation

Van Harssel, Jan, et al. National Geographic Learning's Visual Geography of Travel and Tourism. 5th ed. National Geographic Learning, 2015.