O'Donnell, G. E. (1971). One Hundred Years at Overbrook, 1871-1971. Philadelphia.
Chicago Style (17th ed.) CitationO'Donnell, George Edward. One Hundred Years at Overbrook, 1871-1971. Philadelphia, 1971.
MLA (8th ed.) CitationO'Donnell, George Edward. One Hundred Years at Overbrook, 1871-1971. Philadelphia, 1971.
Warning: These citations may not always be 100% accurate.