Balkanvögel : ein ornithologisches Tagebuch /

Chicago citation style
Gengler, J. (Josef), 1863-. Balkanvögel : ein ornithologisches Tagebuch /. 1920. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007924464. (Accessed December 11, 2018.)
APA citation style
Gengler, J. (Josef), 1863-, (1920) Balkanvögel : ein ornithologisches Tagebuch /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007924464
MLA citation style
Gengler, J. (Josef), 1863-. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007924464>.
Note: These citations are programmatically generated and may be incomplete.