APA (7th ed.) Citation

(2009). Sophie Liebknecht (1884 - 1964), Susanne Leonhard (1895 - 1984).

Chicago Style (17th ed.) Citation

Sophie Liebknecht (1884 - 1964), Susanne Leonhard (1895 - 1984). 2009.

MLA (8th ed.) Citation

Sophie Liebknecht (1884 - 1964), Susanne Leonhard (1895 - 1984). 2009.

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