Cita APA

Gostick, A. R., & Christopher, S. (2008). The levity effect: Why it pays to lighten up. Hoboken, N.J.: John Wiley & Sons.

Citación estilo Chicago

Gostick, Adrian Robert., and Scott Christopher. The Levity Effect: Why It Pays to Lighten Up. Hoboken, N.J.: John Wiley & Sons, 2008.

Cita MLA

Gostick, Adrian Robert., and Scott Christopher. The Levity Effect: Why It Pays to Lighten Up. Hoboken, N.J.: John Wiley & Sons, 2008.