United States. Department of State. (1942). Cooperative rubber investigations in Costa Rica, agreement between United States and Costa Rica. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of State. Cooperative Rubber Investigations in Costa Rica, Agreement Between United States and Costa Rica. [Washington]: [publisher not identified], 1942.
MLA (9th ed.) CitationUnited States. Department of State. Cooperative Rubber Investigations in Costa Rica, Agreement Between United States and Costa Rica. [publisher not identified], 1942.
Warning: These citations may not always be 100% accurate.