APA引文

Pettofrezzo, A. J., & Byrkit, D. R. (1970). Elements of number theory. Prentice Hall.

Chicago Edition Citation

Pettofrezzo, Anthony J., and Donald R. Byrkit. Elements of Number Theory. London: Prentice Hall, 1970.

MLA引文

Pettofrezzo, Anthony J., and Donald R. Byrkit. Elements of Number Theory. Prentice Hall, 1970.

警告：這些引文格式不一定是100％准確.