APA (7th ed.) Citation

Rocker Rudolf. (1945). Pedro José Proudhon. Tierra y Libertad.

Chicago Style (17th ed.) Citation

Rocker Rudolf. Pedro José Proudhon. Tierra y Libertad, 1945.

MLA (9th ed.) Citation

Rocker Rudolf. Pedro José Proudhon. Tierra y Libertad, 1945.

Warning: These citations may not always be 100% accurate.