Cita APA (7a ed.)

(1937). Siegfried: Am 25. September 1937 [Programmheft].

Cita Chicago Style (17a ed.)

Siegfried: Am 25. September 1937 [Programmheft]. Magdeburg, 1937.

Cita MLA (8a ed.)

Siegfried: Am 25. September 1937 [Programmheft]. 1937.