Profile : Joseph Beuys.

MLA

Blumenthal, Lyn, Kate Horsfield, and Joseph Beuys. Profile : Joseph Beuys. 2e Chicago, Illinois: Video Data Bank, The School of the Art Institute of Chicago, 1981.

APA

Blumenthal, L., Horsfield, K., & Beuys, J. (1981). Profile : Joseph Beuys. 2e Chicago, Illinois: Video Data Bank, The School of the Art Institute of Chicago.

Chicago

Blumenthal, Lyn, Kate Horsfield, and Joseph Beuys. Profile: Joseph Beuys. 2e Chicago, Illinois: Video Data Bank, The School of the Art Institute of Chicago, 1981.