APA-viite

Beer, S. H. (1958). Patterns of government: The major political systems of Europe (3rd. ed.). Random House.

Chicago-tyylinen lähdeviittaus

Beer, Samuel H. Patterns of Government: The Major Political Systems of Europe. 3rd. ed. Random House, 1958.

MLA-viite

Beer, Samuel H. Patterns of Government: The Major Political Systems of Europe. 3rd. ed. Random House, 1958.