Proudhon's solution of the social problem

MLA

Proudhon, P.-J, et al. Proudhon's Solution of the Social Problem. New York: Vanguard Press, 1927.

APA

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

Chicago

Proudhon, P.-J., Henry Cohen, Charles A Dana, and William B Greers. Proudhon's Solution of the Social Problem. New York: Vanguard Press, 1927.