Cite

[Untitled frontispiece depicting three men, one with a pike, one with a scroll, and one drawing a sword]

MLA

[Untitled Frontispiece Depicting Three Men, One with a Pike, One with a Scroll, and One Drawing a Sword]. 0AD. https://collections.library.yale.edu/catalog/2018356.

APA, 6th edition

[Untitled frontispiece depicting three men, one with a pike, one with a scroll, and one drawing a sword]. (0 C.E.). [Illustrations, Woodcuts]. https://collections.library.yale.edu/catalog/2018356.