APA (7th ed.) Citation

Dell, F. (1969). Upton Sinclair: A study in social protest. Folcroft Press.

Chicago Style (17th ed.) Citation

Dell, Floyd. Upton Sinclair: A Study in Social Protest. [Philadelphia]: Folcroft Press, 1969.

MLA (8th ed.) Citation

Dell, Floyd. Upton Sinclair: A Study in Social Protest. Folcroft Press, 1969.

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