Cita APA (7th ed.)
Green, J. A. (1965). Sets and Groups (1a.ed.). Routeledge and Kegan Paul.
Cita Chicago (17th ed.)
Green, J. A. Sets and Groups. 1a.ed. Londres: Routeledge and Kegan Paul, 1965.
Cita MLA (9th ed.)
Green, J. A. Sets and Groups. 1a.ed. Routeledge and Kegan Paul, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.