APA (7th ed.) Citation

Christie. (1984). The boomerang clue. A Berkley Book.

Chicago Style (17th ed.) Citation

Christie. The Boomerang Clue. NY: A Berkley Book, 1984.

MLA (8th ed.) Citation

Christie. The Boomerang Clue. A Berkley Book, 1984.

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