APA (7th ed.) Citation

Gregory, H. (1961). The world of James McNeill Whistler. Hutchinson.

Chicago Style (17th ed.) Citation

Gregory, Horace. The World of James McNeill Whistler. London: Hutchinson, 1961.

MLA (9th ed.) Citation

Gregory, Horace. The World of James McNeill Whistler. Hutchinson, 1961.

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