Eco del español hablado ... Echo of spoken Spanish

Chicago citation style
Fuentes, Ubaldo. Eco del español hablado ... Echo of spoken Spanish. [18--?]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008899039. (Accessed November 19, 2018.)
APA citation style
Fuentes, Ubaldo, ([18--?]) Eco del español hablado ... Echo of spoken Spanish. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008899039
MLA citation style
Fuentes, Ubaldo. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/008899039>.
Note: These citations are programmatically generated and may be incomplete.