Heartney, E. (1997). Dark Laughter: In Dennis Oppenheim's sculptures and installations from the last nine years, surveyed in a recent show in Portugal. Art in America.
Chicago Style (17th ed.) CitationHeartney, Eleanor. "Dark Laughter: In Dennis Oppenheim's Sculptures and Installations from the Last Nine Years, Surveyed in a Recent Show in Portugal." Art in America 1997.
MLA (8th ed.) CitationHeartney, Eleanor. "Dark Laughter: In Dennis Oppenheim's Sculptures and Installations from the Last Nine Years, Surveyed in a Recent Show in Portugal." Art in America, 1997.
Warning: These citations may not always be 100% accurate.