The Prussian octopus. [graphic].
MLA
H., and lithographer C. Graham Ltd. The Prussian Octopus. [Graphic]. H. & C. Graham Ltd., Lith., 0AD. https://collections.library.yale.edu/catalog/15237923.
APA, 6th edition
H., & C. Graham Ltd., lithographer. (0 C.E.). The Prussian octopus. [graphic]. [Maps, Maps--Europe--1916, Maps--Germany--1916]. H. & C. Graham Ltd., Lith., https://collections.library.yale.edu/catalog/15237923.