Cita APA (7a ed.)

Heap, D. (1955). An outline of planning law (2. ed.). Sweet & Maxwell, Limited.

Cita Chicago Style (17a ed.)

Heap, Desmond. An Outline of Planning Law. 2. ed. London: Sweet & Maxwell, Limited, 1955.

Cita MLA (9a ed.)

Heap, Desmond. An Outline of Planning Law. 2. ed. Sweet & Maxwell, Limited, 1955.