Hoptman, L. (1999). Nothing Natural: Laura Hoptman on Inka Essenhigh. frieze.
Cita Chicago (17th ed.)Hoptman, Laura. "Nothing Natural: Laura Hoptman on Inka Essenhigh." Frieze 1999.
Cita MLA (8th ed.)Hoptman, Laura. "Nothing Natural: Laura Hoptman on Inka Essenhigh." Frieze, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.