MLA

Homann Erben (Firm), cartographer. [Composite atlas of 50 maps, primarily by Johann Baptist Homann and/or issued by the Homann Erben firm].. 1710-1786]. https://collections.library.yale.edu/catalog/2109685.

APA, 6th edition

Homann Erben (Firm), cartographer. (1710-1786])[[Composite atlas of 50 maps, primarily by Johann Baptist Homann and/or issued by the Homann Erben firm].]. https://collections.library.yale.edu/catalog/2109685.