APA (7th ed.) Citation

Gallardo, A., Peris, N., & Sandoval, S. (2010). Gear school. Dark Horse Books.

Chicago Style (17th ed.) Citation

Gallardo, Adam, Nuria Peris, and Sergio Sandoval. Gear School. Milwaukie, Or.: Dark Horse Books, 2010.

MLA (8th ed.) Citation

Gallardo, Adam, et al. Gear School. Dark Horse Books, 2010.

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