APA (7th ed.) Citation

Lumpkin, K. D. P. (1940). The South in progress. International publishers.

Chicago Style (17th ed.) Citation

Lumpkin, Katharine Du Pre. The South in Progress. New York: International publishers, 1940.

MLA (9th ed.) Citation

Lumpkin, Katharine Du Pre. The South in Progress. International publishers, 1940.