Cita APA (7a ed.)

Briggs, A., & Callow, J. (2014). Marx in London (Revised edition.). Project Muse.

Cita Chicago Style (17a ed.)

Briggs, Asa, y John Callow. Marx in London. Revised edition. Baltimore, Maryland: Project Muse, 2014.

Cita MLA (8a ed.)

Briggs, Asa, y John Callow. Marx in London. Revised edition. Project Muse, 2014.