Nelson, W. H., & Loewenheim, F. L. (1967). Theory and practice in American politics: Editors: W.H.Nelson and F.L.Loewenheim. Chic. U.P..
Citazione stile Chigago Style (17a edizione)Nelson, William H., e Francis L. Loewenheim. Theory and Practice in American Politics: Editors: W.H.Nelson and F.L.Loewenheim. Chic.: Chic. U.P., 1967.
Citatione MLA (8a ed.)Nelson, William H., e Francis L. Loewenheim. Theory and Practice in American Politics: Editors: W.H.Nelson and F.L.Loewenheim. Chic. U.P., 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.