Association of Official Agricultural Chemists, & Association of Official Agricultural Chemists. (1960). Official methods of analysis (9. edition.). Washington: Association of Official Agricultural Chemists.
Chicago Style CitationAssociation of Official Agricultural Chemists, and Association of Official Agricultural Chemists. Official Methods of Analysis. 9. edition. Washington: Association of Official Agricultural Chemists, 1960.
MLA CitationAssociation of Official Agricultural Chemists, and Association of Official Agricultural Chemists. Official Methods of Analysis. 9. edition. Washington: Association of Official Agricultural Chemists, 1960.
Warning: These citations may not always be 100% accurate.