APA (7th ed.) Citation

Proudhon , P., Dana , C. A., Greene , W. B., & Cohen , H. (1927). Proudhon's solution of the social problem. Vanguard Press.

Chicago Style (17th ed.) Citation

Proudhon , Pierre-Joseph, Charles A. Dana , William B. Greene , and Henry Cohen. Proudhon's Solution of the Social Problem. Vanguard Press, 1927.

MLA (8th ed.) Citation

Proudhon , Pierre-Joseph, et al. Proudhon's Solution of the Social Problem. Vanguard Press, 1927.