APA (7th ed.) Citation

Keene, C. (1964). The Clue of the whistling Bagpipes. Grosset & Dunlop.

Chicago Style (17th ed.) Citation

Keene, Corolyn. The Clue of the Whistling Bagpipes. New York: Grosset & Dunlop, 1964.

MLA (9th ed.) Citation

Keene, Corolyn. The Clue of the Whistling Bagpipes. Grosset & Dunlop, 1964.

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