APA

Nelson P. E., Titsworth S. & Pearson J. C. (2011). ¡Speak: public speaking for contemporary life. New York: McGraw-Hill Higher Education.

Chicago

Nelson Paul E, Titsworth Scott and Pearson Judy C. 2011. ¡Speak: public speaking for contemporary life. New York: McGraw-Hill Higher Education.

Harvard

Nelson P. E., Titsworth S. and Pearson J. C. (2011). ¡Speak: public speaking for contemporary life. New York: McGraw-Hill Higher Education.

MLA

Nelson Paul E, Titsworth Scott and Pearson Judy C. ¡Speak: public speaking for contemporary life. New York: McGraw-Hill Higher Education. 2011.