Cita APA (7a ed.)

Museum Boymans. (1952). Kunst der Maas Vallei. [s.n.].

Cita Chicago Style (17a ed.)

Museum Boymans. Kunst Der Maas Vallei. Rotterdam: [s.n.], 1952.

Cita MLA (9a ed.)

Museum Boymans. Kunst Der Maas Vallei. [s.n.], 1952.