Cita APA (7a ed.)

(1980). Christoph Drexel 1886-1979. [Goethe Institute].

Cita Chicago Style (17a ed.)

Christoph Drexel 1886-1979. Munich: [Goethe Institute], 1980.

Cita MLA (9a ed.)

Christoph Drexel 1886-1979. [Goethe Institute], 1980.