Cita APA (7a ed.)
Gostick, A. R., & Christopher, S. (2008). The levity effect: Why it pays to lighten up. John Wiley & Sons.
Cita Chicago Style (17a ed.)
Gostick, Adrian Robert, y Scott Christopher. The Levity Effect: Why It Pays to Lighten Up. Hoboken, N.J.: John Wiley & Sons, 2008.
Cita MLA (9a ed.)
Gostick, Adrian Robert, y Scott Christopher. The Levity Effect: Why It Pays to Lighten Up. John Wiley & Sons, 2008.
Precaución: Estas citas no son 100% exactas.