Cita APA (7a ed.)

Galligan, D. J. (1990). Discretionary powers: A legal study of official discretion. Clarendon Press.

Cita Chicago Style (17a ed.)

Galligan, Dennis James. Discretionary Powers: A Legal Study of Official Discretion. Oxford: Clarendon Press, 1990.

Cita MLA (9a ed.)

Galligan, Dennis James. Discretionary Powers: A Legal Study of Official Discretion. Clarendon Press, 1990.