MLA

Homann, Johann Baptist, 1663-1724. Regnum Borussiae : gloriosis auspicÿs serenissimi et potentissimi Prin. Friderici III. Primi Borussiae Regis, March. et Elect. Bran. inauguratum die 18. Ian. a. 1701 / geographice cum vicinis regionibus adumbratum a Ioh. Baptista Homanno.. BRBL_00135. between 1701 and 1709?]. https://collections.library.yale.edu/catalog/15482975.

APA, 6th edition

Homann, Johann Baptist, 1663-1724. (["BRBL_00135"])(between 1701 and 1709?])[Regnum Borussiae : gloriosis auspicÿs serenissimi et potentissimi Prin. Friderici III. Primi Borussiae Regis, March. et Elect. Bran. inauguratum die 18. Ian. a. 1701 / geographice cum vicinis regionibus adumbratum a Ioh. Baptista Homanno.]. https://collections.library.yale.edu/catalog/15482975.