APA (7th ed.) Citation

Thomas, H., & Hamm, W. A. (1938). Europe 1934-1938 a supplement to modern Europe. Henry Holt and Company.

Chicago Style (17th ed.) Citation

Thomas, Harrison, and Willaim A. Hamm. Europe 1934-1938 a Supplement to Modern Europe. New York: Henry Holt and Company, 1938.

MLA (8th ed.) Citation

Thomas, Harrison, and Willaim A. Hamm. Europe 1934-1938 a Supplement to Modern Europe. Henry Holt and Company, 1938.