APA (7th ed.) Citation

Pedersen, B. M., Lowry, R., & Castello, M. (2015). Graphis: Social & political protest posters. Graphis Inc..

Chicago Style (17th ed.) Citation

Pedersen, B. Martin, Rachel Lowry, and Matt Castello. Graphis: Social & Political Protest Posters. New York: Graphis Inc., 2015.

MLA (9th ed.) Citation

Pedersen, B. Martin, et al. Graphis: Social & Political Protest Posters. Graphis Inc., 2015.