(1968). Christo, monuments and projects: October 5 to November 11, 1968, Institute of Contemporary Art, University of Pennsylvania, Philadelphia.
Chicago-Zitierstil (17. Ausg.)Christo, Monuments and Projects: October 5 to November 11, 1968, Institute of Contemporary Art, University of Pennsylvania, Philadelphia. Philadelphia, 1968.
MLA-Zitierstil (9. Ausg.)Christo, Monuments and Projects: October 5 to November 11, 1968, Institute of Contemporary Art, University of Pennsylvania, Philadelphia. 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.