APA (7th ed.) Citation

Young, W. H., & Young, G. (1972). The theory of sets of points ([2d ed.].). Chelsea.

Chicago Style (17th ed.) Citation

Young, W. H., and Grace Young. The Theory of Sets of Points. [2d ed.]. Bronx, N.Y.: Chelsea, 1972.

MLA (8th ed.) Citation

Young, W. H., and Grace Young. The Theory of Sets of Points. [2d ed.]. Chelsea, 1972.