APA (7th ed.) Citation

Winkler, J. K. (1931). Incredible Carnegie : the life of Andrew Carnegie (1835-1919) / by J.K. Winkler: The life of Andrew Carnegie (1835-1919). Vanguard.

Chicago Style (17th ed.) Citation

Winkler, J. K. Incredible Carnegie : The Life of Andrew Carnegie (1835-1919) / by J.K. Winkler: The Life of Andrew Carnegie (1835-1919). Vanguard, 1931.

MLA (9th ed.) Citation

Winkler, J. K. Incredible Carnegie : The Life of Andrew Carnegie (1835-1919) / by J.K. Winkler: The Life of Andrew Carnegie (1835-1919). Vanguard, 1931.

Warning: These citations may not always be 100% accurate.