Cita APA

Hibbitt, G. W. (1947). How to speak effectively on all occasions. Halcyon House.

Citación estilo Chicago

Hibbitt, George Whiting. How to Speak Effectively on All Occasions. Garden City, New York: Halcyon House, 1947.

Cita MLA

Hibbitt, George Whiting. How to Speak Effectively on All Occasions. Halcyon House, 1947.