APA (7th ed.) Citation

Fraenkel, A. A. (1963). The principle of choice and the continuum problem.

Chicago Style (17th ed.) Citation

Fraenkel, Abraham A. The Principle of Choice and the Continuum Problem. 1963.

MLA (8th ed.) Citation

Fraenkel, Abraham A. The Principle of Choice and the Continuum Problem. 1963.

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