MLA

Villavicencio, Manuel, 1822-1871. Carta corografica de la republica del Ecuador / Manuel Villavicencio ; lit. é imp. de F. Mayer y Ca.. BRBL_00679. 1858. https://collections.library.yale.edu/catalog/15821234.

APA, 6th edition

Villavicencio, Manuel, 1822-1871. (["BRBL_00679"])(1858)[Carta corografica de la republica del Ecuador / Manuel Villavicencio ; lit. é imp. de F. Mayer y Ca.]. https://collections.library.yale.edu/catalog/15821234.