APA (7th ed.) Citation

Kreck, L. A. (1972). International tourism. s.n.].

Chicago Style (17th ed.) Citation

Kreck, Lother A. International Tourism. [Pullman, Wash: s.n.], 1972.

MLA (9th ed.) Citation

Kreck, Lother A. International Tourism. s.n.], 1972.

Warning: These citations may not always be 100% accurate.