APA

Association of Official Agricultural Chemists, Wiley H. W., . (1909). Proceedings of the twenty-fifth annual convention of the Association of Official Agricultural Chemists. Washington: Gov. Print. Office.

Chicago

Association of Official Agricultural Chemists, Wiley Harvey Washington, . 1909. Proceedings of the twenty-fifth annual convention of the Association of Official Agricultural Chemists. Washington: Gov. Print. Office.

Harvard

Association of Official Agricultural Chemists, Wiley H. W., . (1909). Proceedings of the twenty-fifth annual convention of the Association of Official Agricultural Chemists. Washington: Gov. Print. Office.

MLA

Association of Official Agricultural Chemists, Wiley Harvey Washington, . Proceedings of the twenty-fifth annual convention of the Association of Official Agricultural Chemists. Washington: Gov. Print. Office. 1909.