Cita APA

Watkins, D. E., & De Bower, H. F. (1927). Effective speech: Including mental training and the development of personality. New York: The De Bower Publishing.

Citación estilo Chicago

Watkins, Dwight Everett, y Herbert Francis De Bower. Effective Speech: Including Mental Training and the Development of Personality. New York: The De Bower Publishing, 1927.

Cita MLA

Watkins, Dwight Everett, y Herbert Francis De Bower. Effective Speech: Including Mental Training and the Development of Personality. New York: The De Bower Publishing, 1927.