APA (7th ed.) Citation

Aleksandrov, P. S., & Hopf, H. (1965). Topologie. Chelsea Pub..

Chicago Style (17th ed.) Citation

Aleksandrov, P. S., and Heinz Hopf. Topologie. Bronx, N.Y.: Chelsea Pub., 1965.

MLA (8th ed.) Citation

Aleksandrov, P. S., and Heinz Hopf. Topologie. Chelsea Pub., 1965.

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