Cita APA (7th ed.)

Trotnow, H. (1984). Karl Liebknecht (1871-1919): Political biography. Archon Books.

Cita Chicago (17th ed.)

Trotnow, Helmut. Karl Liebknecht (1871-1919): Political Biography. Hamden, Conn: Archon Books, 1984.

Cita MLA (9th ed.)

Trotnow, Helmut. Karl Liebknecht (1871-1919): Political Biography. Archon Books, 1984.