APA (7th ed.) Citation

Otness, H. (1993). Travel Guidebooks: A World of Information for Libraries.

Chicago Style (17th ed.) Citation

Otness, Harold. Travel Guidebooks: A World of Information for Libraries. 1993.

MLA (9th ed.) Citation

Otness, Harold. Travel Guidebooks: A World of Information for Libraries. 1993.

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