APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

Gostick, Adrian Robert. The Levity Effect: Why It Pays to Lighten Up. John Wiley & Sons, 2008.