Cita APA (7a ed.)

Kropotkin, P. A., & Woodcock, G. (1991). The collected works of Peter Kropotkin. Black Rose Books.

Cita Chicago Style (17a ed.)

Kropotkin, Pëtr Alekseevič, y George Woodcock. The Collected Works of Peter Kropotkin. Montréal [u.a.]: Black Rose Books, 1991.

Cita MLA (8a ed.)

Kropotkin, Pëtr Alekseevič, y George Woodcock. The Collected Works of Peter Kropotkin. Black Rose Books, 1991.