Keats, E. J. (1978). The snowy day. Puffin Books.
Cita Chicago (17th ed.)Keats, Ezra Jack. The Snowy Day. Harmondsworth, New York: Puffin Books, 1978.
Cita MLA (9th ed.)Keats, Ezra Jack. The Snowy Day. Puffin Books, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.