APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.