APA (7th ed.) Citation

Pontryagin, L. S. (1958). Topologische Gruppen. B.G. Teubner.

Chicago Style (17th ed.) Citation

Pontryagin, L. S. Topologische Gruppen. Leipzig: B.G. Teubner, 1958.

MLA (9th ed.) Citation

Pontryagin, L. S. Topologische Gruppen. B.G. Teubner, 1958.

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