APA (7th ed.) Citation

Pettofrezzo, A. J., & Hight, D. W. (1969). Number systems: Structures and properties. Scott, Forersman.

Chicago Style (17th ed.) Citation

Pettofrezzo, Anthony J., and Donald W. Hight. Number Systems: Structures and Properties. Glenview, Illinois: Scott, Forersman, 1969.

MLA (9th ed.) Citation

Pettofrezzo, Anthony J., and Donald W. Hight. Number Systems: Structures and Properties. Scott, Forersman, 1969.