Cita APA (7a ed.)

Manning, G., & Curtis, K. (2012). The art of leadership (4th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Manning, George, y Kent Curtis. The Art of Leadership. 4th ed. New York: McGraw-Hill, 2012.

Cita MLA (8a ed.)

Manning, George, y Kent Curtis. The Art of Leadership. 4th ed. McGraw-Hill, 2012.