APA (7th ed.) Citation

Lehmann, A. D., & Samuel, M. H. (1978). Travel and tourism: An introduction to travel agency operations. Bobbs-Merrill Educational Pub.

Chicago Style (17th ed.) Citation

Lehmann, Armin Dieter, and M. H. Samuel. Travel and Tourism: An Introduction to Travel Agency Operations. Indianapolis: Bobbs-Merrill Educational Pub, 1978.

MLA (9th ed.) Citation

Lehmann, Armin Dieter, and M. H. Samuel. Travel and Tourism: An Introduction to Travel Agency Operations. Bobbs-Merrill Educational Pub, 1978.