Peter Kropotkin 150th anniversary.

MLA

Read, Herbert, Nicolas Walter, and Colin Ward. Peter Kropotkin 150th Anniversary. London: Freedom Press, 1992.

APA

Read, H., Walter, N., & Ward, C. (1992). Peter Kropotkin 150th anniversary. London: Freedom Press.

Chicago

Read, Herbert, Nicolas Walter, and Colin Ward. Peter Kropotkin 150th Anniversary. London: Freedom Press, 1992.