APA (7th ed.) Citation

The Twelve days of christmas illustrated by Roger Langton. Ladybird Books.

Chicago Style (17th ed.) Citation

The Twelve Days of Christmas Illustrated by Roger Langton. U.K: Ladybird Books.

MLA (9th ed.) Citation

The Twelve Days of Christmas Illustrated by Roger Langton. Ladybird Books.

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