APA (7th ed.) Citation

Lang, S., Parshin, A. N., & Shafarevich, I. R. (1995). Number theory. Springer.

Chicago Style (17th ed.) Citation

Lang, Serge, A. N. Parshin, and I. R. Shafarevich. Number Theory. Berlin: Springer, 1995.

MLA (8th ed.) Citation

Lang, Serge, et al. Number Theory. Springer, 1995.