APA (7th ed.) Citation

Mckee,David. (1990). Who's a clever baby then? A beaver book.

Chicago Style (17th ed.) Citation

Mckee,David. Who's a Clever Baby Then? London: A beaver book, 1990.

MLA (9th ed.) Citation

Mckee,David. Who's a Clever Baby Then? A beaver book, 1990.