APA (7th ed.) Citation

Ruhrberg, K., Schneckenburger, M., Fricke, C., & Honnef, K. Arte del siglo XX.

Chicago Style (17th ed.) Citation

Ruhrberg, Karl, Manfred Schneckenburger, Christiane Fricke, and Klaus Honnef. Arte Del Siglo XX.

MLA (8th ed.) Citation

Ruhrberg, Karl, et al. Arte Del Siglo XX.