Cita APA (7a ed.)

Jörgensen, S. (1917). Cooperative building societies in Denmark. [s.n.].

Cita Chicago Style (17a ed.)

Jörgensen, Severin. Cooperative Building Societies in Denmark. [S.l.]: [s.n.], 1917.

Cita MLA (9a ed.)

Jörgensen, Severin. Cooperative Building Societies in Denmark. [s.n.], 1917.