APA (7th ed.) Citation

Grau, I., & Beyer, M. (1989). August Bebel 1840-1913.

Chicago Style (17th ed.) Citation

Grau, Ingeborg, and Marga Beyer. August Bebel 1840-1913. 1989.

MLA (8th ed.) Citation

Grau, Ingeborg, and Marga Beyer. August Bebel 1840-1913. 1989.

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