APA (7th ed.) Citation

Cook, J., Harcourt, M., Yoshino, H., & Toboso, Y. (2018). Black Butler. Funimation.

Chicago Style (17th ed.) Citation

Cook, Justin, Michael Harcourt, Hiroyuki Yoshino, and Yana Toboso. Black Butler. [Flower Mound, Texas]: Funimation, 2018.

MLA (9th ed.) Citation

Cook, Justin, et al. Black Butler. Funimation, 2018.