Cita APA (7a ed.)

Messler, N. Sibylle Ungers. Kunst in Köln.

Cita Chicago Style (17a ed.)

Messler, Norbert. "Sibylle Ungers." Kunst in Köln .

Cita MLA (8a ed.)

Messler, Norbert. "Sibylle Ungers." Kunst in Köln, .