APA Style

Konietzko, B. et al (2013). The legend of Korra : the art of the animated series. Book 1, Air (First edition, July 2013). Milwaukie: Dark Horse Books.

MLA Style

Konietzko, Bryan. et al. "The legend of Korra : the art of the animated series. Book 1, Air". First edition, July 2013 Milwaukie: Dark Horse Books, 2013. Text.