Opera aperta : loose work.

MLA

Mooren, Maureen, Guus Beumer, and Sanneke Van Hassel. Opera Aperta : Loose Work. [Maastricht]: Marres Books, 2011.

APA

Mooren, M., Beumer, G., & Van Hassel, S. (2011). Opera aperta : loose work. [Maastricht]: Marres Books.

Chicago

Mooren, Maureen, Guus Beumer, and Sanneke Van Hassel. Opera Aperta: Loose Work. [Maastricht]: Marres Books, 2011.