APA (7th ed.) Citation

United States. Bureau of Chemistry and Soils. (1933). Composition and distribution of phosphate rock with special reference to United States. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Chemistry and Soils. Composition and Distribution of Phosphate Rock with Special Reference to United States. [Washington]: [s.n.], 1933.

MLA (9th ed.) Citation

United States. Bureau of Chemistry and Soils. Composition and Distribution of Phosphate Rock with Special Reference to United States. [s.n.], 1933.

Warning: These citations may not always be 100% accurate.