APA引文

Key, V. O. (1958). Politics, parties and pressure groups (4th ed.). Crowell.

芝加哥风格引文

Key, Valdimer Orlando. Politics, Parties and Pressure Groups. 4th ed. New York: Crowell, 1958.

MLA引文

Key, Valdimer Orlando. Politics, Parties and Pressure Groups. 4th ed. Crowell, 1958.