Ernst Haeckel : ein Lebensbild /

Chicago citation style
Bölsche, Wilhelm, 1861-1939. Ernst Haeckel : ein Lebensbild /. 1900. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100327926. (Accessed November 21, 2018.)
APA citation style
Bölsche, Wilhelm, 1861-1939, (1900) Ernst Haeckel : ein Lebensbild /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100327926
MLA citation style
Bölsche, Wilhelm, 1861-1939. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/100327926>.
Note: These citations are programmatically generated and may be incomplete.