APA (7th ed.) Citation

Dann, P. (2000). If you're happy and you know it. Orchard Books.

Chicago Style (17th ed.) Citation

Dann, Penny. If You're Happy and You Know It. London: Orchard Books, 2000.

MLA (9th ed.) Citation

Dann, Penny. If You're Happy and You Know It. Orchard Books, 2000.

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