APA (7th ed.) Citation

Sarah Duchess of York & Cunliffe, I. (2010). Michael and his new baby brother. Sterling.

Chicago Style (17th ed.) Citation

Sarah Duchess of York and Ian Cunliffe. Michael and His New Baby Brother. New York: Sterling, 2010.

MLA (9th ed.) Citation

Sarah Duchess of York and Ian Cunliffe. Michael and His New Baby Brother. Sterling, 2010.