APA (7th ed.) Citation

Keeling, R. F. (1947). Gruesome harvest: [the costly attempt to exterminate the people of Germany]. Inst. of American Economics.

Chicago Style (17th ed.) Citation

Keeling, Ralph Franklin. Gruesome Harvest: [the Costly Attempt to Exterminate the People of Germany]. Chicago: Inst. of American Economics, 1947.

MLA (9th ed.) Citation

Keeling, Ralph Franklin. Gruesome Harvest: [the Costly Attempt to Exterminate the People of Germany]. Inst. of American Economics, 1947.