APA (7th ed.) Citation

Isayama, H., Suzukaze, R., & Shiki, S. (2015). Attack on Titan. Kodansha Comics.

Chicago Style (17th ed.) Citation

Isayama, Hajime, Ryo Suzukaze, and Satoshi Shiki. Attack on Titan. New York: Kodansha Comics, 2015.

MLA (8th ed.) Citation

Isayama, Hajime, et al. Attack on Titan. Kodansha Comics, 2015.

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