Cita APA (7a ed.)

Zweig, F. (1951). Productivity and trade unions. Basil Blackwell.

Cita Chicago Style (17a ed.)

Zweig, Ferdinand. Productivity and Trade Unions. Oxford: Basil Blackwell, 1951.

Cita MLA (9a ed.)

Zweig, Ferdinand. Productivity and Trade Unions. Basil Blackwell, 1951.