APA (7th ed.) Citation

Bunting, E., & Mars, W. T. (1974). The once-a-year day. Childrens Press.

Chicago Style (17th ed.) Citation

Bunting, Eve, and W. T. Mars. The Once-a-year Day. Chicago: Childrens Press, 1974.

MLA (9th ed.) Citation

Bunting, Eve, and W. T. Mars. The Once-a-year Day. Childrens Press, 1974.