APA (7th ed.) Citation

Perker, M. K. (2009). Insomnia café. Dark Horse Books.

Chicago Style (17th ed.) Citation

Perker, M. K. Insomnia Café. Milwaukie, Or: Dark Horse Books, 2009.

MLA (9th ed.) Citation

Perker, M. K. Insomnia Café. Dark Horse Books, 2009.