APA (7th ed.) Citation

Isayama, H., Suzukaze, R., & Paul, S. (2015). Attack on Titan: Before the fall. Kodansha Comics.

Chicago Style (17th ed.) Citation

Isayama, Hajime, Ryo Suzukaze, and Stephen Paul. Attack on Titan: Before the Fall. New York: Kodansha Comics, 2015.

MLA (8th ed.) Citation

Isayama, Hajime, et al. Attack on Titan: Before the Fall. Kodansha Comics, 2015.

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