Robert Watts : The invisible man of Fluxus and Pop.

MLA

Berger, Tobias, et al. Robert Watts : The Invisible Man of Fluxus and Pop. Kassel: Museum Fridericianum Kassel, 1999.

APA

Berger, T., Block, R., Brecht, G., Conzen, I., Kaprow, A., & Watts, R. (1999). Robert Watts : The invisible man of Fluxus and Pop. Kassel: Museum Fridericianum Kassel.

Chicago

Berger, Tobias, René Block, George Brecht, Ina Conzen, Allan Kaprow, and Robert Watts. Robert Watts: The Invisible Man of Fluxus and Pop. Kassel: Museum Fridericianum Kassel, 1999.