APA (7th ed.) Citation

Wolpe, B. C. (1990). Lobbying Congress: How the system works (2. print.). Congressional Quarterly.

Chicago Style (17th ed.) Citation

Wolpe, Bruce C. Lobbying Congress: How the System Works. 2. print. Washington, DC: Congressional Quarterly, 1990.

MLA (9th ed.) Citation

Wolpe, Bruce C. Lobbying Congress: How the System Works. 2. print. Congressional Quarterly, 1990.