Library of Congress, Pennell, E. R., Pennell, J., & Whistler, J. M. (1921). Joseph and Elizabeth Robins Pennell collection of Whistleriana shown in Division of Prints, Library of Congress, southwest pavilion. U.S. GPO.
Chicago Style (17th ed.) CitationLibrary of Congress, Elizabeth Robins Pennell, Joseph Pennell, and James McNeill Whistler. Joseph and Elizabeth Robins Pennell Collection of Whistleriana Shown in Division of Prints, Library of Congress, Southwest Pavilion. Washington: U.S. GPO, 1921.
MLA (9th ed.) CitationLibrary of Congress, et al. Joseph and Elizabeth Robins Pennell Collection of Whistleriana Shown in Division of Prints, Library of Congress, Southwest Pavilion. U.S. GPO, 1921.
Warning: These citations may not always be 100% accurate.