Cita APA (7a ed.)

Szwalbe, S. (1950). Cooperative housing in Warsaw. [s.n.].

Cita Chicago Style (17a ed.)

Szwalbe, S. Cooperative Housing in Warsaw. [S.l.]: [s.n.], 1950.

Cita MLA (9a ed.)

Szwalbe, S. Cooperative Housing in Warsaw. [s.n.], 1950.