Cite

[Right Honorable Lord Viscount Duncan Admiral of the Blue].

MLA

[Right Honorable Lord Viscount Duncan Admiral of the Blue]. 0AD. https://collections.library.yale.edu/catalog/11138670.

APA, 6th edition

[Right Honorable Lord Viscount Duncan Admiral of the Blue]. (0 C.E.). [Watercolors British 19th century, Graphite drawings British 19th century, Watermarks (Paper) 1800]. https://collections.library.yale.edu/catalog/11138670.