Cita APA (7th ed.)

SIGLER, L. (1976). Exercises in set theory. Springer-Verlag.

Cita Chicago (17th ed.)

SIGLER, L.E. Exercises in Set Theory. New York: Springer-Verlag, 1976.

Cita MLA (9th ed.)

SIGLER, L.E. Exercises in Set Theory. Springer-Verlag, 1976.