Cita APA (7th ed.)

Ohlbaum, I. (1993). Portraits. Knesebeck.

Cita Chicago (17th ed.)

Ohlbaum, Isolde. Portraits. München: Knesebeck, 1993.

Cita MLA (8th ed.)

Ohlbaum, Isolde. Portraits. Knesebeck, 1993.