Cita APA (7a ed.)

Engel, H. (1964). The solo concert: By / von Hans Engel. Arno Volk / Laaberverl..

Cita Chicago Style (17a ed.)

Engel, Hans. The Solo Concert: By / Von Hans Engel. Köln / Laaber: Arno Volk / Laaberverl., 1964.

Cita MLA (8a ed.)

Engel, Hans. The Solo Concert: By / Von Hans Engel. Arno Volk / Laaberverl., 1964.