MLA

Valck, G. (Gerard), 1651 or 2-1726. Guiana siue Amazonum regio.. BRBL_00667. [17--]. https://collections.library.yale.edu/catalog/15821073.

APA, 6th edition

Valck, G. (Gerard), 1651 or 2-1726. (["BRBL_00667"])([17--])[Guiana siue Amazonum regio.]. https://collections.library.yale.edu/catalog/15821073.