APA (7th ed.) Citation

MacDonald, A., & Martyr, P. The wakey wakey machine! Ladybird Books.

Chicago Style (17th ed.) Citation

MacDonald, Alan, and Paula Martyr. The Wakey Wakey Machine! London: Ladybird Books.

MLA (9th ed.) Citation

MacDonald, Alan, and Paula Martyr. The Wakey Wakey Machine! Ladybird Books.

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