Cita APA (7th ed.)

Söhn, G., & Suhr, N. (2002). Max Slevogt. Ed. GS.

Cita Chicago (17th ed.)

Söhn, Gerhart, i Norbert Suhr. Max Slevogt. Düsseldorf: Ed. GS, 2002.

Cita MLA (8th ed.)

Söhn, Gerhart, i Norbert Suhr. Max Slevogt. Ed. GS, 2002.