APA Edition Citation

Seifert, H., & Threlfall, W. (1945). Lehrbuch der topologie.

Chicago Edition Citation

Seifert, H., and W. Threlfall. Lehrbuch Der Topologie. 1945.

MLA Edition Citation

Seifert, H., and W. Threlfall. Lehrbuch Der Topologie. 1945.

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