APA (7th ed.) Citation

Southgate & Palmer. (2005). The princess and the frog. Ladybird Books.

Chicago Style (17th ed.) Citation

Southgate and Palmer. The Princess and the Frog. London: Ladybird Books, 2005.

MLA (8th ed.) Citation

Southgate and Palmer. The Princess and the Frog. Ladybird Books, 2005.

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