APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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