Citazione Stile APA (7a Edizione)

Lepper, H. A., Fisher, H. J., & Warren, L. E. (1945). Official and tentative methods of analysis of the Association of official agricultural chemists (6th ed.). Association of Official agricultural chemists.

Citazione stile Chigago Style (17a edizione)

Lepper, Henry Albert, Harry Johnstone Fisher, e Lewis Eugene Warren. Official and Tentative Methods of Analysis of the Association of Official Agricultural Chemists. 6th ed. Washington, D.C: Association of Official agricultural chemists, 1945.

Citatione MLA (9a ed.)

Lepper, Henry Albert, et al. Official and Tentative Methods of Analysis of the Association of Official Agricultural Chemists. 6th ed. Association of Official agricultural chemists, 1945.