Cita APA (7a ed.)

Pollard, D., Parpworth, N., & Hughes, D. J. (1997). Constitutional and administrative law: Text with materials (2nd ed.). Butterworths.

Cita Chicago Style (17a ed.)

Pollard, David, Neil Parpworth, y D. J. Hughes. Constitutional and Administrative Law: Text with Materials. 2nd ed. London [etc.]: Butterworths, 1997.

Cita MLA (9a ed.)

Pollard, David, et al. Constitutional and Administrative Law: Text with Materials. 2nd ed. Butterworths, 1997.