How to havard reference comic book pages, make an example of Frank Miller's The dark knight returns
To Harvard reference a comic book page, you would follow the same format as you would for referencing a book or journal article. Here is an example of how to Harvard reference a page from Frank Miller's "The Dark Knight Returns":
Miller, F. (1986). The Dark Knight Returns. New York: DC Comics.
In-text citation:
(Miller, 1986, p. 23)
This indicates that the information comes from page 23 of the comic book "The Dark Knight Returns" by Frank Miller, published by DC Comics in 1986.