APA (7th ed.) Citation

Hume, F. The Piccadilly Puzzle: A Mysterious Story.

Chicago Style (17th ed.) Citation

Hume, Fergus. The Piccadilly Puzzle: A Mysterious Story.

MLA (9th ed.) Citation

Hume, Fergus. The Piccadilly Puzzle: A Mysterious Story.

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