USA Bureau of Chemistry and Soils. (1927). Report of the chief of the Bureau of Chemistry and Soils. U.S. Government Printing Office.
Chicago-Zitierstil (17. Ausg.)USA Bureau of Chemistry and Soils. Report of the Chief of the Bureau of Chemistry and Soils. Washington: U.S. Government Printing Office, 1927.
MLA-Zitierstil (9. Ausg.)USA Bureau of Chemistry and Soils. Report of the Chief of the Bureau of Chemistry and Soils. U.S. Government Printing Office, 1927.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.