APA (7th ed.) Citation

Horler, S. (1930). The curse of Doone: By Sydney Horler. The Mystery League.

Chicago Style (17th ed.) Citation

Horler, Sydney. The Curse of Doone: By Sydney Horler. New York: The Mystery League, 1930.

MLA (9th ed.) Citation

Horler, Sydney. The Curse of Doone: By Sydney Horler. The Mystery League, 1930.

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