APA (7th ed.) Citation

Shields, J. T., & Gray, R. C. (1971). The fertilizer industry in the Philippines. National Fertilizer Development Center, Tennessee Valley Authority.

Chicago Style (17th ed.) Citation

Shields, John T., and Robert C. Gray. The Fertilizer Industry in the Philippines. [Muscle Shoals, Ala: National Fertilizer Development Center, Tennessee Valley Authority, 1971.

MLA (9th ed.) Citation

Shields, John T., and Robert C. Gray. The Fertilizer Industry in the Philippines. National Fertilizer Development Center, Tennessee Valley Authority, 1971.