APA (7th ed.) Citation

Werthner, H., & Klein, S. (1999). Information technology and tourism - a challenging relationship. Springer-Verlag.

Chicago Style (17th ed.) Citation

Werthner, H., and Stefan Klein. Information Technology and Tourism - a Challenging Relationship. New York: Springer-Verlag, 1999.

MLA (9th ed.) Citation

Werthner, H., and Stefan Klein. Information Technology and Tourism - a Challenging Relationship. Springer-Verlag, 1999.