Spear, R. E. (1999). Seeing double: Two versions of Guercino's "Joseph and Potiphar's wife". Harn Museum of Art, University of Florida.
Chicago Style (17th ed.) CitationSpear, Richard E. Seeing Double: Two Versions of Guercino's "Joseph and Potiphar's Wife". Gainesville, Florida: Harn Museum of Art, University of Florida, 1999.
MLA (9th ed.) CitationSpear, Richard E. Seeing Double: Two Versions of Guercino's "Joseph and Potiphar's Wife". Harn Museum of Art, University of Florida, 1999.
Warning: These citations may not always be 100% accurate.