APA (7th ed.) Citation

Duggan, S. (1934). The two Americas: An interpretation. C. Scribner's sons.

Chicago Style (17th ed.) Citation

Duggan, Stephen. The Two Americas: An Interpretation. New York, London: C. Scribner's sons, 1934.

MLA (9th ed.) Citation

Duggan, Stephen. The Two Americas: An Interpretation. C. Scribner's sons, 1934.

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