United States. Bureau of Soils. (1902). Instructions to field parties and descriptions of soil types: Field season, 1902. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Soils. Instructions to Field Parties and Descriptions of Soil Types: Field Season, 1902. [Washington]: [publisher not identified], 1902.
MLA (9th ed.) CitationUnited States. Bureau of Soils. Instructions to Field Parties and Descriptions of Soil Types: Field Season, 1902. [publisher not identified], 1902.
Warning: These citations may not always be 100% accurate.