APA (7th ed.) Citation

Pontriagin, L. S. (1946). Topological groups. Princeton University.

Chicago Style (17th ed.) Citation

Pontriagin, Lev Semenovich. Topological Groups. Princeton: Princeton University, 1946.

MLA (9th ed.) Citation

Pontriagin, Lev Semenovich. Topological Groups. Princeton University, 1946.

Warning: These citations may not always be 100% accurate.