Katechismus der orgel (orgellehre)

Chicago citation style
Riemann, Hugo, 1849-1919. Katechismus der orgel (orgellehre). 1888. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008695494. (Accessed December 15, 2018.)
APA citation style
Riemann, Hugo, 1849-1919, (1888) Katechismus der orgel (orgellehre). Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008695494
MLA citation style
Riemann, Hugo, 1849-1919. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/008695494>.
Note: These citations are programmatically generated and may be incomplete.