Cita APA (7a ed.)

O'Ryan, R., & Jack, C. (2013). Three's a crowd! (First edition.). Little Simon.

Cita Chicago Style (17a ed.)

O'Ryan, Ray, y Colin Jack. Three's a Crowd! First edition. New York: Little Simon, 2013.

Cita MLA (8a ed.)

O'Ryan, Ray, y Colin Jack. Three's a Crowd! First edition. Little Simon, 2013.

Precaución: Estas citas no son 100% exactas.