Cita APA (7a ed.)
DeVito, J. A. (1990). The elements of public speaking (4th ed.). Harper & Row.
Cita Chicago Style (17a ed.)
DeVito, Joseph A. The Elements of Public Speaking. 4th ed. Grand Rapids: Harper & Row, 1990.
Cita MLA (9a ed.)
DeVito, Joseph A. The Elements of Public Speaking. 4th ed. Harper & Row, 1990.
Precaución: Estas citas no son 100% exactas.