APA (7th ed.) Citation

Ireland, K., & Rosen, M. (1990). A classical introduction to modern number theory (Second edition.). Springer.

Chicago Style (17th ed.) Citation

Ireland, Kenneth, and Michael Rosen. A Classical Introduction to Modern Number Theory. Second edition. Providence, USA: Springer, 1990.

MLA (9th ed.) Citation

Ireland, Kenneth, and Michael Rosen. A Classical Introduction to Modern Number Theory. Second edition. Springer, 1990.