Cita APA (7a ed.)

Böhm-Bawerk, E. v., Hilferding, R., Bortkiewicz, L., & Sweezy, P. M. (1949). Karl Marx and the close of his system. August M. Kelley.

Cita Chicago Style (17a ed.)

Böhm-Bawerk, Eugen von, Rudolf Hilferding, Ladislaus Bortkiewicz, y Paul Marlor Sweezy. Karl Marx and the Close of His System. New York: August M. Kelley, 1949.

Cita MLA (9a ed.)

Böhm-Bawerk, Eugen von, et al. Karl Marx and the Close of His System. August M. Kelley, 1949.