APA (7th ed.) Citation

Vinogradov, I. M. (1961). An introduction to the theory of numbers (2. impr.). Pergamon Press.

Chicago Style (17th ed.) Citation

Vinogradov, I. M. An Introduction to the Theory of Numbers. 2. impr. Oxford: Pergamon Press, 1961.

MLA (9th ed.) Citation

Vinogradov, I. M. An Introduction to the Theory of Numbers. 2. impr. Pergamon Press, 1961.