APA (7th ed.) Citation

Title. (2004). The thirsty penguin. Ladybird Books.

Chicago Style (17th ed.) Citation

Title. The Thirsty Penguin. London: Ladybird Books, 2004.

MLA (9th ed.) Citation

Title. The Thirsty Penguin. Ladybird Books, 2004.

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