APA (7th ed.) Citation

Harvey, G. B. M. (1928). Henry Clay Frick, the man. [publisher not identified].

Chicago Style (17th ed.) Citation

Harvey, George Brinton McClellan. Henry Clay Frick, the Man. New York, London: [publisher not identified], 1928.

MLA (9th ed.) Citation

Harvey, George Brinton McClellan. Henry Clay Frick, the Man. [publisher not identified], 1928.