MLA

Homann, Johann Baptist, 1663-1724, cartographer, publisher. Regnum Borussiae : gloriosis auspicÿs serenissimi et potentissimi Princip. Friderici III. Primi Borussiae Regis March. et Elect. Brandenburg inauguratum die 18 Jan. a. 1701. [between 1701 and 1709?]. https://collections.library.yale.edu/catalog/2065709.

APA, 6th edition

Homann, Johann Baptist, 1663-1724, cartographer, publisher. ([between 1701 and 1709?])[Regnum Borussiae : gloriosis auspicÿs serenissimi et potentissimi Princip. Friderici III. Primi Borussiae Regis March. et Elect. Brandenburg inauguratum die 18 Jan. a. 1701]. https://collections.library.yale.edu/catalog/2065709.