APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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