APA (7th ed.) Citation

Harwood, J. (1940). Puffin rhymes. Penguin Books.

Chicago Style (17th ed.) Citation

Harwood, John. Puffin Rhymes. West Drayton, Middlesex ; New York: Penguin Books, 1940.

MLA (9th ed.) Citation

Harwood, John. Puffin Rhymes. Penguin Books, 1940.

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