APA (7th ed.) Citation

Elizabeth, Q., & Baker, L. M. (1953). Letters. The Bodley Head.

Chicago Style (17th ed.) Citation

Elizabeth, Queen, and Lily Melissa Baker. Letters. London: The Bodley Head, 1953.

MLA (9th ed.) Citation

Elizabeth, Queen, and Lily Melissa Baker. Letters. The Bodley Head, 1953.