APA Edition Citation

Keene, G. B. (2007). Abstract sets and finite ordinals: An introduction to the study of set theory (Dover ed.). Dover Publications.

Chicago Edition Citation

Keene, G. B. Abstract Sets and Finite Ordinals: An Introduction to the Study of Set Theory. Dover ed. Mineola, N.Y.: Dover Publications, 2007.

MLA Edition Citation

Keene, G. B. Abstract Sets and Finite Ordinals: An Introduction to the Study of Set Theory. Dover ed. Dover Publications, 2007.

Warning: These citations may not always be 100% accurate.