APA (7th ed.) Citation

Keats, E. J. (1978). The snowy day. Puffin Books.

Chicago Style (17th ed.) Citation

Keats, Ezra Jack. The Snowy Day. Harmondsworth, New York: Puffin Books, 1978.

MLA (9th ed.) Citation

Keats, Ezra Jack. The Snowy Day. Puffin Books, 1978.

Warning: These citations may not always be 100% accurate.