APA (7th ed.) Citation

Popper, D. H. (1939). America charts her course. Foreign policy association incorporated, in cooperation with National peace conference.

Chicago Style (17th ed.) Citation

Popper, David Henry. America Charts Her Course. New York, N.Y.: Foreign policy association incorporated, in cooperation with National peace conference, 1939.

MLA (9th ed.) Citation

Popper, David Henry. America Charts Her Course. Foreign policy association incorporated, in cooperation with National peace conference, 1939.