APA (7th ed.) Citation

Heap, D. (1973). An outline of planning law (6. ed.). Sweet & Maxwell.

Chicago Style (17th ed.) Citation

Heap, Desmond. An Outline of Planning Law. 6. ed. London: Sweet & Maxwell, 1973.

MLA (9th ed.) Citation

Heap, Desmond. An Outline of Planning Law. 6. ed. Sweet & Maxwell, 1973.