Cite

Justus Perthes' Alldeutscher Atlas

MLA

Langhans, Paul Max Harry, 1867-1952. Justus Perthes' Alldeutscher Atlas. 1900.. https://collections.library.yale.edu/catalog/32374301.

APA, 6th edition

Langhans, Paul Max Harry, 1867-1952. (1900.)[Justus Perthes' Alldeutscher Atlas]. https://collections.library.yale.edu/catalog/32374301.