APA (7th ed.) Citation

(1970). Elementary mathematics; number systems and algebra [by] Anthony J. Pettofrezzo [and] Donald W. Hight.

Chicago Style (17th ed.) Citation

Elementary Mathematics; Number Systems and Algebra [by] Anthony J. Pettofrezzo [and] Donald W. Hight. 1970.

MLA (9th ed.) Citation

Elementary Mathematics; Number Systems and Algebra [by] Anthony J. Pettofrezzo [and] Donald W. Hight. 1970.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.