Joseph Beuys : Make the secrets productive : Sculpture and Objects.

MLA

Bastian, Heiner, Eugen Blume, and Joachim Pissarro. Joseph Beuys : Make the Secrets Productive : Sculpture and Objects. New York: Pace Wildenstein New York, 2010.

APA

Bastian, H., Blume, E., & Pissarro, J. (2010). Joseph Beuys : Make the secrets productive : Sculpture and Objects. New York: Pace Wildenstein New York.

Chicago

Bastian, Heiner, Eugen Blume, and Joachim Pissarro. Joseph Beuys : Make the Secrets Productive: Sculpture and Objects. New York: Pace Wildenstein New York, 2010.