Cita APA (7th ed.)
Klein, J. (1998). The study of groups. Routledge.
Cita Chicago (17th ed.)
Klein, Josephine. The Study of Groups. London: Routledge, 1998.
Cita MLA (9th ed.)
Klein, Josephine. The Study of Groups. Routledge, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.