9. The same as the last. but darker at the bottom than the top
MLA
9. The Same as the Last. but Darker at the Bottom than the Top. 0AD. https://collections.library.yale.edu/catalog/2033281.
APA, 6th edition
9. The same as the last. but darker at the bottom than the top. (0 C.E.). [Illustrations, Prints (Visual works)]. https://collections.library.yale.edu/catalog/2033281.