APA (7th ed.) Citation

Toboso, Y., Kimura, T., & Eckerman, A. (2012). Black butler. Yen Press.

Chicago Style (17th ed.) Citation

Toboso, Yana, Tomo Kimura, and Alexis Eckerman. Black Butler. New York: Yen Press, 2012.

MLA (8th ed.) Citation

Toboso, Yana, et al. Black Butler. Yen Press, 2012.

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