APA (7th ed.) Citation

Neil, C. E. (1920). Sources of effectiveness in public speaking: Psychological principles practically used in developing ability to speak. Hinds, Hayden & Eldredge, inc..

Chicago Style (17th ed.) Citation

Neil, C. Edmund. Sources of Effectiveness in Public Speaking: Psychological Principles Practically Used in Developing Ability to Speak. Philadelphia, New York [etc.]: Hinds, Hayden & Eldredge, inc., 1920.

MLA (9th ed.) Citation

Neil, C. Edmund. Sources of Effectiveness in Public Speaking: Psychological Principles Practically Used in Developing Ability to Speak. Hinds, Hayden & Eldredge, inc., 1920.