APA (7th ed.) Citation

Hitchcock, A. (1979). Alfred Hitchcock's solve-them-yourself mysteries. Armada.

Chicago Style (17th ed.) Citation

Hitchcock, Alfred. Alfred Hitchcock's Solve-them-yourself Mysteries. London: Armada, 1979.

MLA (8th ed.) Citation

Hitchcock, Alfred. Alfred Hitchcock's Solve-them-yourself Mysteries. Armada, 1979.

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