APA (7th ed.) Citation

Kahlo, F., Kollwitz, K., & Kollwitz, K. (2010). Transgressive techniques of the Guerrilla Girls.

Chicago Style (17th ed.) Citation

Kahlo, Frida, Käthe Kollwitz, and Käthe Kollwitz. Transgressive Techniques of the Guerrilla Girls. 2010.

MLA (9th ed.) Citation

Kahlo, Frida, et al. Transgressive Techniques of the Guerrilla Girls. 2010.