APA (7th ed.) Citation

Neumann, H. (1967). Varieties of groups. Springer-Verlag.

Chicago Style (17th ed.) Citation

Neumann, Hanna. Varieties of Groups. Berlín: Springer-Verlag, 1967.

MLA (9th ed.) Citation

Neumann, Hanna. Varieties of Groups. Springer-Verlag, 1967.