Helvetiae descriptio Aegidio Tschudo Auct ...
MLA
Helvetiae Descriptio Aegidio Tschudo Auct ... 0AD. https://collections.library.yale.edu/catalog/15483160.
APA, 6th edition
Helvetiae descriptio Aegidio Tschudo Auct ... (0 C.E.). [Maps]. https://collections.library.yale.edu/catalog/15483160.