APA (7th ed.) Citation

Keene, G. B. (1974). Formal set theory. Wright.

Chicago Style (17th ed.) Citation

Keene, Geoffrey Bourton. Formal Set Theory. Bristol: Wright, 1974.

MLA (9th ed.) Citation

Keene, Geoffrey Bourton. Formal Set Theory. Wright, 1974.

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