Buckingham, M., & Clifton, D. O. (2001). Now, discover your strengths. Free Press.
Cita Chicago Style (17a ed.)Buckingham, Marcus, y Donald O. Clifton. Now, Discover Your Strengths. New York: Free Press, 2001.
Cita MLA (8a ed.)Buckingham, Marcus, y Donald O. Clifton. Now, Discover Your Strengths. Free Press, 2001.
Precaución: Estas citas no son 100% exactas.