Cita APA (7a ed.)

O'Connor, J., Preiss-Glasser, R., & Enik, T. (2009). The 100th day of school. HarperCollins.

Cita Chicago Style (17a ed.)

O'Connor, Jane, Robin Preiss-Glasser, y Ted Enik. The 100th Day of School. New York: HarperCollins, 2009.

Cita MLA (8a ed.)

O'Connor, Jane, et al. The 100th Day of School. HarperCollins, 2009.

Precaución: Estas citas no son 100% exactas.