Cita APA (7th ed.)

Halmos, P. R. (1960). Naive set theory. Van Nostrand.

Cita Chicago (17th ed.)

Halmos, Paul R. Naive Set Theory. Princeton, N.J: Van Nostrand, 1960.

Cita MLA (9th ed.)

Halmos, Paul R. Naive Set Theory. Van Nostrand, 1960.

Atenció: Aquestes cites poden no estar 100% correctes.