Descriptions of soil types established and changes in classification since the publication of Bulletin 78.
APA Citation
United States. Bureau of soils. [from old catalog]. (1911). Descriptions of soil types established and changes in classification since the publication of Bulletin 78. [Washington: Govt. print. off.].
MLA Citation
United States. Bureau of soils. [from old catalog]. Descriptions of Soil Types Established And Changes In Classification Since the Publication of Bulletin 78. [Washington: Govt. print. off.], 1911.
Warning: These citations may not always be complete (especially for serials).