Cita APA (7a ed.)

Erhard, L. (1960). Prosperity through competition (3rd ed.). Thames and Hudson.

Cita Chicago Style (17a ed.)

Erhard, Ludwig. Prosperity Through Competition. 3rd ed. London: Thames and Hudson, 1960.

Cita MLA (9a ed.)

Erhard, Ludwig. Prosperity Through Competition. 3rd ed. Thames and Hudson, 1960.