Cita APA (7a ed.)

Mehring, F., FitzGerald, E., & Fuchs, E. (2003). Karl Marx: The story of his life. Routldge.

Cita Chicago Style (17a ed.)

Mehring, Franz, Edward FitzGerald, y Eduard Fuchs. Karl Marx: The Story of His Life. London: Routldge, 2003.

Cita MLA (8a ed.)

Mehring, Franz, et al. Karl Marx: The Story of His Life. Routldge, 2003.