Cita APA (7a ed.)

Herwegh, G. (1848). Zwei Preussenlieder. [publisher not identified].

Cita Chicago Style (17a ed.)

Herwegh, Georg. Zwei Preussenlieder. [Place of publication not identified]: [publisher not identified], 1848.

Cita MLA (8a ed.)

Herwegh, Georg. Zwei Preussenlieder. [publisher not identified], 1848.