Cita APA (7a ed.)

Yerkes, L. (2007). Fun works: Creating places where people love to work (2nd ed., updated and expanded.). Berrett-Koehler Publishers.

Cita Chicago Style (17a ed.)

Yerkes, Leslie. Fun Works: Creating Places Where People Love to Work. 2nd ed., updated and expanded. San Francisco: Berrett-Koehler Publishers, 2007.

Cita MLA (8a ed.)

Yerkes, Leslie. Fun Works: Creating Places Where People Love to Work. 2nd ed., updated and expanded. Berrett-Koehler Publishers, 2007.