APA (7th ed.) Citation

Pontrjagin, L. S. (1966). Topological groups (2. ed.). Gordon and Breach.

Chicago Style (17th ed.) Citation

Pontrjagin, Lev S. Topological Groups. 2. ed. New York [u.a.]: Gordon and Breach, 1966.

MLA (9th ed.) Citation

Pontrjagin, Lev S. Topological Groups. 2. ed. Gordon and Breach, 1966.