Cita APA (7a ed.)
Tilton, J. E., & Landsberg, H. H. (1984). Nonfuel minerals - the fear of shortages and the search for policies. International Institute for Applied Systems Analysis.
Cita Chicago Style (17a ed.)
Tilton, John E., y Hans H. Landsberg. Nonfuel Minerals - the Fear of Shortages and the Search for Policies. Laxenburg: International Institute for Applied Systems Analysis, 1984.
Cita MLA (9a ed.)
Tilton, John E., y Hans H. Landsberg. Nonfuel Minerals - the Fear of Shortages and the Search for Policies. International Institute for Applied Systems Analysis, 1984.
Precaución: Estas citas no son 100% exactas.