MLA

of Manuscripts, Yale University. Department, and Archives. Book I Print 48: Oniria Gutiérrez. 1957. https://collections.library.yale.edu/catalog/10018051.

APA, 6th edition

of Manuscripts, Y. U. D., & A. (1957). Book I Print 48: Oniria Gutiérrez. https://collections.library.yale.edu/catalog/10018051.