B. Traven : the life behind the legends
  MLA
  Guthke, Karl Siegfried, and Robert C Sprung. B. Traven : the Life Behind the Legends. Brooklyn, NY: Lawrence Hill Books,, 1987.
  APA
  Guthke, K. Siegfried, & Sprung, R. C. (1987). B. Traven : the life behind the legends. Brooklyn, NY: Lawrence Hill Books,.
  Chicago
  Guthke, Karl Siegfried, B. Traven: The Life Behind the Legends. Translated by Robert C Sprung.  Brooklyn, NY: Lawrence Hill Books,, 1987.