APA (7th ed.) Citation

Keene, C. (1982). The Clue in the Old Stagecoach. Armada.

Chicago Style (17th ed.) Citation

Keene, Carolyn. The Clue in the Old Stagecoach. London: Armada, 1982.

MLA (9th ed.) Citation

Keene, Carolyn. The Clue in the Old Stagecoach. Armada, 1982.

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