APA (7th ed.) Citation

Langer, W. L., & Gleason, S. E. (1953). The undeclared war, 1940-1941. Published for the Council on Foreign Relations by Harper.

Chicago Style (17th ed.) Citation

Langer, William Leonard, and Sarell Everett Gleason. The Undeclared War, 1940-1941. New York: Published for the Council on Foreign Relations by Harper, 1953.

MLA (9th ed.) Citation

Langer, William Leonard, and Sarell Everett Gleason. The Undeclared War, 1940-1941. Published for the Council on Foreign Relations by Harper, 1953.