ed.:Hortwitz, W. (1955). Official methods of analysis of the association of official agricultural chemists (8 ed.). Washington: Association of Official Agricultural Chemists.
Chicago Style Citationed.:Hortwitz, William. Official Methods of Analysis of the Association of Official Agricultural Chemists. 8 ed. Washington: Association of Official Agricultural Chemists, 1955.
MLA Citationed.:Hortwitz, William. Official Methods of Analysis of the Association of Official Agricultural Chemists. 8 ed. Washington: Association of Official Agricultural Chemists, 1955.
Warning: These citations may not always be 100% accurate.