Cita APA (7th ed.)

Bernays, P., & Fraenkel, A. A. (1958). Axiomatic set theory. North-Holland.

Cita Chicago (17th ed.)

Bernays, Paul, i Abraham Adolf Fraenkel. Axiomatic Set Theory. Amsterdam: North-Holland, 1958.

Cita MLA (9th ed.)

Bernays, Paul, i Abraham Adolf Fraenkel. Axiomatic Set Theory. North-Holland, 1958.