Cita APA (7th ed.)

Fraenkel, A. A., & Bar-Hillel, Y. (1958). Foundations of set theory. North-Holland.

Cita Chicago (17th ed.)

Fraenkel, Abraham A., i Yehoshua Bar-Hillel. Foundations of Set Theory. Amsterdam: North-Holland, 1958.

Cita MLA (9th ed.)

Fraenkel, Abraham A., i Yehoshua Bar-Hillel. Foundations of Set Theory. North-Holland, 1958.