APA (7th ed.) Citation

Silk, P., & Walters, R. (1994). How Parliament works (2. ed., 4. impr.). Longman.

Chicago Style (17th ed.) Citation

Silk, Paul, and Rhodri Walters. How Parliament Works. 2. ed., 4. impr. London u.a: Longman, 1994.

MLA (9th ed.) Citation

Silk, Paul, and Rhodri Walters. How Parliament Works. 2. ed., 4. impr. Longman, 1994.