MLA

Freitag, Gerard, Hondius, Hendrik, 1597-1651. Atlantis maioris appendix, Metius, Adriaan, 1570-1635, Rogiers, Salomon, engraver, Symons, Evert van Hamersveldt, engraver. Frisia occidentalis / auctoribus Adriano Metio et Gerardo Freitag. [1631]. https://collections.library.yale.edu/catalog/2111111.

APA, 6th edition

Freitag, Gerard, & Hondius, Hendrik, 1597-1651. Atlantis maioris appendix, & Metius, Adriaan, 1570-1635, & Rogiers, Salomon, engraver, & Symons, Evert van Hamersveldt, engraver. ([1631])[Frisia occidentalis / auctoribus Adriano Metio et Gerardo Freitag]. https://collections.library.yale.edu/catalog/2111111.