APA-Zitierstil (7. Ausg.)

Keene, G. B. (1961). Abstract sets and finite ordinals: An introduction to the study of set theory. Pergamon.

Chicago-Zitierstil (17. Ausg.)

Keene, G. B. Abstract Sets and Finite Ordinals: An Introduction to the Study of Set Theory. Nueva York: Pergamon, 1961.

MLA-Zitierstil (9. Ausg.)

Keene, G. B. Abstract Sets and Finite Ordinals: An Introduction to the Study of Set Theory. Pergamon, 1961.