Qué es canto gregoriano? Su naturaleza é historia

Chicago citation style
Serrano, Luciano, b. 1879. Qué es canto gregoriano? Su naturaleza é historia. 1905. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008695741. (Accessed November 15, 2018.)
APA citation style
Serrano, Luciano, b. 1879, (1905) Qué es canto gregoriano? Su naturaleza é historia. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008695741
MLA citation style
Serrano, Luciano, b. 1879. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/008695741>.
Note: These citations are programmatically generated and may be incomplete.