APA (7th ed.) Citation

Harrington, J. F., Ward, D. E., & McKelvey, V. E. (1966). Sources of fertilizer minerals in South America: A preliminary study : geology and technology of fertilizer-mineral deposits of phosphates, potash, and sulfur and suggestions for further exploration in South America. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Harrington, James F., David E. Ward, and V. E. McKelvey. Sources of Fertilizer Minerals in South America: A Preliminary Study : Geology and Technology of Fertilizer-mineral Deposits of Phosphates, Potash, and Sulfur and Suggestions for Further Exploration in South America. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1966.

MLA (9th ed.) Citation

Harrington, James F., et al. Sources of Fertilizer Minerals in South America: A Preliminary Study : Geology and Technology of Fertilizer-mineral Deposits of Phosphates, Potash, and Sulfur and Suggestions for Further Exploration in South America. United States Department of the Interior, Geological Survey, 1966.