Deterioration, they said

MLA

Beard, Thomas, Raphael Gygax, and Ed Halter. Deterioration, They Said. Zürich: JRP/Ringier, 2009.

APA

Beard, T., Gygax, R., & Halter, E. (2009). Deterioration, they said. Zürich: JRP/Ringier.

Chicago

Beard, Thomas, Raphael Gygax, and Ed Halter. Deterioration, They Said. Zürich: JRP/Ringier, 2009.