Cita APA

Association of Official Agricultural Chemists, & Association of Official Agricultural Chemists. (1960). Official methods of analysis (9. edition.). Washington: Association of Official Agricultural Chemists.

Citación estilo Chicago

Association of Official Agricultural Chemists, y Association of Official Agricultural Chemists. Official Methods of Analysis. 9. edition. Washington: Association of Official Agricultural Chemists, 1960.

Cita MLA

Association of Official Agricultural Chemists, y Association of Official Agricultural Chemists. Official Methods of Analysis. 9. edition. Washington: Association of Official Agricultural Chemists, 1960.