APA (7th ed.) Citation

Wasserman, P., O'Brien, J. W., & Rhudy, D. A. (1981). Speakers and lecturers: How to find them : a directory of booking agents, lecture bureaus, companies, professional and trade associations, universities, and other groups which organize and schedule engagements for lectures and public speakers ... (2nd ed.). Gale Research Co..

Chicago Style (17th ed.) Citation

Wasserman, Paul, Jacqueline Wasserman O'Brien, and Daphne A. Rhudy. Speakers and Lecturers: How to Find Them : A Directory of Booking Agents, Lecture Bureaus, Companies, Professional and Trade Associations, Universities, and Other Groups Which Organize and Schedule Engagements for Lectures and Public Speakers ... 2nd ed. Detroit, Mich.: Gale Research Co., 1981.

MLA (9th ed.) Citation

Wasserman, Paul, et al. Speakers and Lecturers: How to Find Them : A Directory of Booking Agents, Lecture Bureaus, Companies, Professional and Trade Associations, Universities, and Other Groups Which Organize and Schedule Engagements for Lectures and Public Speakers ... 2nd ed. Gale Research Co., 1981.