APA (7th ed.) Citation

Kawahara, R., Abec, & Paul, S. (2016). Sword art online (First Yen On edition.). Yen On.

Chicago Style (17th ed.) Citation

Kawahara, Reki, Abec, and Stephen Paul. Sword Art Online. First Yen On edition. New York: Yen On, 2016.

MLA (8th ed.) Citation

Kawahara, Reki, et al. Sword Art Online. First Yen On edition. Yen On, 2016.

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