APA (7th ed.) Citation

Orvedal, A. C. (1975). Bibliography of the soils of the Tropics. U.S. Agency for International Development, Technical Assistance Bureau, Office of Agriculture.

Chicago Style (17th ed.) Citation

Orvedal, Arnold C. Bibliography of the Soils of the Tropics. Washington: U.S. Agency for International Development, Technical Assistance Bureau, Office of Agriculture, 1975.

MLA (9th ed.) Citation

Orvedal, Arnold C. Bibliography of the Soils of the Tropics. U.S. Agency for International Development, Technical Assistance Bureau, Office of Agriculture, 1975.