Cita APA (7a ed.)

Gardner, E. S. Der Schweigende Mund: Fools die on Friday. Wilhelm Golmann V.

Cita Chicago Style (17a ed.)

Gardner, Erle Stanley. Der Schweigende Mund: Fools Die on Friday. München: Wilhelm Golmann V.

Cita MLA (9a ed.)

Gardner, Erle Stanley. Der Schweigende Mund: Fools Die on Friday. Wilhelm Golmann V.