Cita APA (7th ed.)
Schuman, D. (1981). A preface to politics: The spirit of the place (3rd .ed.). D.C. Heath and Co..
Cita Chicago (17th ed.)
Schuman, David. A Preface to Politics: The Spirit of the Place. 3rd .ed. Massachusetts: D.C. Heath and Co., 1981.
Cita MLA (9th ed.)
Schuman, David. A Preface to Politics: The Spirit of the Place. 3rd .ed. D.C. Heath and Co., 1981.
Atenció: Aquestes cites poden no estar 100% correctes.