Cita APA (7th ed.)

Engelhard, G. (1988). Der Kölner Galerist Rolf Ricke. Art.

Cita Chicago (17th ed.)

Engelhard, Günter. "Der Kölner Galerist Rolf Ricke." Art 1988.

Cita MLA (8th ed.)

Engelhard, Günter. "Der Kölner Galerist Rolf Ricke." Art, 1988.