APA (7th ed.) Citation

Blume, J. (2015). In the unlikely event. [publisher not identified].

Chicago Style (17th ed.) Citation

Blume, Judy. In the Unlikely Event. [Place of publication not identified]: [publisher not identified], 2015.

MLA (8th ed.) Citation

Blume, Judy. In the Unlikely Event. [publisher not identified], 2015.