APA (7th ed.) Citation

Fröhlich, A. (1968). Formal Groups. Springer. https://doi.org/10.1007/BFb0074373

Chicago Style (17th ed.) Citation

Fröhlich, Albrecht. Formal Groups. Berlin [u.a.]: Springer, 1968. https://doi.org/10.1007/BFb0074373.

MLA (9th ed.) Citation

Fröhlich, Albrecht. Formal Groups. Springer, 1968. https://doi.org/10.1007/BFb0074373.