APA (7th ed.) Citation

Baudisch, A. (1979). Subgroups of semifree groups.

Chicago Style (17th ed.) Citation

Baudisch, Andreas. Subgroups of Semifree Groups. Berlin, 1979.

MLA (9th ed.) Citation

Baudisch, Andreas. Subgroups of Semifree Groups. 1979.

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