Cita APA (7a ed.)

Burkhardt, A. (1983). Let's sing together. Volk und Wissen.

Cita Chicago Style (17a ed.)

Burkhardt, Albert. Let's Sing Together. Berlin: Volk und Wissen, 1983.

Cita MLA (8a ed.)

Burkhardt, Albert. Let's Sing Together. Volk und Wissen, 1983.