Winkler, J. K. (1931). Incredible Carnegie: The life of Andrew Carnegie (1835 - 1919). Garden City Publ.
Chicago Style (17th ed.) CitationWinkler, John Kennedy. Incredible Carnegie: The Life of Andrew Carnegie (1835 - 1919). New York: Garden City Publ, 1931.
MLA (9th ed.) CitationWinkler, John Kennedy. Incredible Carnegie: The Life of Andrew Carnegie (1835 - 1919). Garden City Publ, 1931.
Warning: These citations may not always be 100% accurate.