Style de citation APA (7e éd.)

Humphrey, C. (1998). Marx Went Away--But Karl Stayed Behind. University of Michigan Press.

Style de citation Chicago (17e éd.)

Humphrey, Caroline. Marx Went Away--But Karl Stayed Behind. Ann Arbor: University of Michigan Press, 1998.

Style de citation MLA (8e éd.)

Humphrey, Caroline. Marx Went Away--But Karl Stayed Behind. University of Michigan Press, 1998.