APA (7th ed.) Citation

Böhm-Bawerk, E. v., Hilferding, R., Bortkiewicz, L. v., & Sweezy, P. M. Karl Marx and the close of his system. Orion ed. (Philadelphia (Pa.)).

Chicago Style (17th ed.) Citation

Böhm-Bawerk, Eugen von, Rudolf Hilferding, Ladislaus von Bortkiewicz, and Paul Marlor Sweezy. Karl Marx and the Close of His System. Orion ed. (Philadelphia (Pa.)).

MLA (8th ed.) Citation

Böhm-Bawerk, Eugen von, et al. Karl Marx and the Close of His System. Orion ed. (Philadelphia (Pa.)).