APA (7th ed.) Citation

Davidson, J. P. 1. (2010). 31 ways speech, movement and visual aids improve your presentation. Electronic & Database Pub.].

Chicago Style (17th ed.) Citation

Davidson, Jeffrey P. 1XXX-. 31 Ways Speech, Movement and Visual Aids Improve Your Presentation. [United States?: Electronic & Database Pub.], 2010.

MLA (9th ed.) Citation

Davidson, Jeffrey P. 1XXX-. 31 Ways Speech, Movement and Visual Aids Improve Your Presentation. Electronic & Database Pub.], 2010.