MLA

Homann Erben (Firm). Italia : in suos status divisa et ex prototypo del Isliano desumta, elementis insuper Geographiae Schazianis accom[m]odata.. BRBL_00197. [1742?]. https://collections.library.yale.edu/catalog/15489738.

APA, 6th edition

Homann Erben (Firm). (["BRBL_00197"])([1742?])[Italia : in suos status divisa et ex prototypo del Isliano desumta, elementis insuper Geographiae Schazianis accom[m]odata.]. https://collections.library.yale.edu/catalog/15489738.