APA (7th ed.) Citation

Bellairs, G. (1966). Intruder in the dark. John Gifford.

Chicago Style (17th ed.) Citation

Bellairs, George. Intruder in the Dark. London: John Gifford, 1966.

MLA (8th ed.) Citation

Bellairs, George. Intruder in the Dark. John Gifford, 1966.

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