APA (7th ed.) Citation

Sigler, L. E. (1966). Exercises in set theory. D. Van Nostrand.

Chicago Style (17th ed.) Citation

Sigler, L. E. Exercises in Set Theory. Princeton: D. Van Nostrand, 1966.

MLA (9th ed.) Citation

Sigler, L. E. Exercises in Set Theory. D. Van Nostrand, 1966.