APA (7th ed.) Citation

Welles, S. (1943). Blue-print for peace: <From the new book "The World of the four freedoms">. Prefaces to peace.

Chicago Style (17th ed.) Citation

Welles, Sumner. "Blue-print for Peace: ." Prefaces to Peace 1943.

MLA (8th ed.) Citation

Welles, Sumner. "Blue-print for Peace: ." Prefaces to Peace, 1943.