APA (7th ed.) Citation

Lundberg, D. E. (1993). International travel and tourism (2nd ed.). John Wiley and Sons.

Chicago Style (17th ed.) Citation

Lundberg, Donald E. International Travel and Tourism. 2nd ed. New York: John Wiley and Sons, 1993.

MLA (9th ed.) Citation

Lundberg, Donald E. International Travel and Tourism. 2nd ed. John Wiley and Sons, 1993.