APA (7th ed.) Citation

Goeldner, C. R., & Duea, K. (1981). Travel trends in the United States and Canada (1981 ed.). The Division.

Chicago Style (17th ed.) Citation

Goeldner, Charles R., and Karen Duea. Travel Trends in the United States and Canada. 1981 ed. Boulder, Colo: The Division, 1981.

MLA (9th ed.) Citation

Goeldner, Charles R., and Karen Duea. Travel Trends in the United States and Canada. 1981 ed. The Division, 1981.

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