APA引文

Higgins, R. T., & Willems, M. (2020). What about worms!? (First edition.). Hyperion Books for Children.

Chicago Style (17th ed.) Citation

Higgins, Ryan T., and Mo Willems. What About Worms!? First edition. New York: Hyperion Books for Children, 2020.

MLA引文

Higgins, Ryan T., and Mo Willems. What About Worms!? First edition. Hyperion Books for Children, 2020.

警告：這些引文格式不一定是100％准確.