APA (7th ed.) Citation

Spengler, J. J. (1938). France faces depopulation. Duke university press.

Chicago Style (17th ed.) Citation

Spengler, Joseph J. France Faces Depopulation. Durham, N. C.: Duke university press, 1938.

MLA (9th ed.) Citation

Spengler, Joseph J. France Faces Depopulation. Duke university press, 1938.