Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Halmos, Paul Richard. Naive Set Theory. Princeton: D. van Nostrand, 1960.

Cita MLA (9th ed.)

Halmos, Paul Richard. Naive Set Theory. D. van Nostrand, 1960.