United States. Department of State. (1938). The challenge which international law faces today: Address by the Honorable Francis B. Sayre, assistant secretary of state, before the American Society of International Law, Washington, April 30, 1938. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Department of State. The Challenge Which International Law Faces Today: Address by the Honorable Francis B. Sayre, Assistant Secretary of State, Before the American Society of International Law, Washington, April 30, 1938. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Department of State. The Challenge Which International Law Faces Today: Address by the Honorable Francis B. Sayre, Assistant Secretary of State, Before the American Society of International Law, Washington, April 30, 1938. [s.n.], 1938.