Niven, I. M., Zuckerman, H. S., & Montgomery, H. L. (1991). An introduction to the theory of numbers (Fifth edition.). Wiley.
芝加哥风格引文Niven, Ivan Morton, Herbert S. Zuckerman, 与 Hugh L. Montgomery. An Introduction to the Theory of Numbers. Fifth edition. New York; New Delhi: Wiley, 1991.
MLA引文Niven, Ivan Morton, et al. An Introduction to the Theory of Numbers. Fifth edition. Wiley, 1991.
警告：这些引文格式不一定是100％准确.