APA (7th ed.) Citation

Blyton, E., & Hamilton, D. (1994). Thirteen o'clock and other stories. Award Publications.

Chicago Style (17th ed.) Citation

Blyton, Enid, and Dorothy Hamilton. Thirteen O'clock and Other Stories. London: Award Publications, 1994.

MLA (9th ed.) Citation

Blyton, Enid, and Dorothy Hamilton. Thirteen O'clock and Other Stories. Award Publications, 1994.