United States & Litzenberger, S. C. (1974). Guide for field crops in the tropics and the subtropics. Office of Agriculture, Technical Assistance Bureau, Agency for International Development.
Chicago Style (17th ed.) CitationUnited States and Samuel C. Litzenberger. Guide for Field Crops in the Tropics and the Subtropics. Washington, D.C: Office of Agriculture, Technical Assistance Bureau, Agency for International Development, 1974.
MLA (9th ed.) CitationUnited States and Samuel C. Litzenberger. Guide for Field Crops in the Tropics and the Subtropics. Office of Agriculture, Technical Assistance Bureau, Agency for International Development, 1974.
Warning: These citations may not always be 100% accurate.