APA (7th ed.) Citation

Association of Official Analytical Chemists & Horwitz, W. (1975). Official methods of analysis of the Official Analytical Chemists / editor William Horwitz (12th ed.). Association of Official Analytical Chemists.

Chicago Style (17th ed.) Citation

Association of Official Analytical Chemists and William Horwitz. Official Methods of Analysis of the Official Analytical Chemists / Editor William Horwitz. 12th ed. Washington: Association of Official Analytical Chemists, 1975.

MLA (9th ed.) Citation

Association of Official Analytical Chemists and William Horwitz. Official Methods of Analysis of the Official Analytical Chemists / Editor William Horwitz. 12th ed. Association of Official Analytical Chemists, 1975.

Warning: These citations may not always be 100% accurate.