APA (7th ed.) Citation

Dyall, V. (1954). Unsolved mysteries: A collection of weird problems. Hutchinson.

Chicago Style (17th ed.) Citation

Dyall, Valentine. Unsolved Mysteries: A Collection of Weird Problems. London: Hutchinson, 1954.

MLA (8th ed.) Citation

Dyall, Valentine. Unsolved Mysteries: A Collection of Weird Problems. Hutchinson, 1954.

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