Cita APA (7a ed.)

Wicker, H. J. (1957). Cooperative trading and urban development: 1, London. [s.n.].

Cita Chicago Style (17a ed.)

Wicker, H. J. Cooperative Trading and Urban Development: 1, London. [S.l.]: [s.n.], 1957.

Cita MLA (9a ed.)

Wicker, H. J. Cooperative Trading and Urban Development: 1, London. [s.n.], 1957.