APA (7th ed.) Citation

Birch, B. (1991). The Keeper of the Gate. Random Century Children's Books.

Chicago Style (17th ed.) Citation

Birch, Beverly. The Keeper of the Gate. London: Random Century Children's Books, 1991.

MLA (9th ed.) Citation

Birch, Beverly. The Keeper of the Gate. Random Century Children's Books, 1991.