APA (7th ed.) Citation

Goeldner, C. R., & Duea, K. (1978). Travel trends in the United States and Canada (5th ed.). Business Research Division, Graduate School of Business Administration, University of Colorado.

Chicago Style (17th ed.) Citation

Goeldner, Charles R., and Karen Duea. Travel Trends in the United States and Canada. 5th ed. Boulder: Business Research Division, Graduate School of Business Administration, University of Colorado, 1978.

MLA (9th ed.) Citation

Goeldner, Charles R., and Karen Duea. Travel Trends in the United States and Canada. 5th ed. Business Research Division, Graduate School of Business Administration, University of Colorado, 1978.