APA (7th ed.) Citation

National Speakers Association. (1998). Who's who in professional speaking: The meeting planner's guide. National Speakers Association.

Chicago Style (17th ed.) Citation

National Speakers Association. Who's Who in Professional Speaking: The Meeting Planner's Guide. Tempe, AR: National Speakers Association, 1998.

MLA (9th ed.) Citation

National Speakers Association. Who's Who in Professional Speaking: The Meeting Planner's Guide. National Speakers Association, 1998.