Cita APA (7a ed.)

Pumphrey, J., Pumphrey, J., & Willems, M. (2022). It's a sign! (First edition.). Hyperion Books for Children.

Cita Chicago Style (17a ed.)

Pumphrey, Jarrett, Jerome Pumphrey, y Mo Willems. It's a Sign! First edition. New York: Hyperion Books for Children, 2022.

Cita MLA (8a ed.)

Pumphrey, Jarrett, et al. It's a Sign! First edition. Hyperion Books for Children, 2022.

Precaución: Estas citas no son 100% exactas.