Enforcing the law,
[by] R. M. Jackson.

APA Citation

Jackson, R. M. (Richard Meredith). (1972). Enforcing the law. Revised ed. Harmondsworth: Penguin.

MLA Citation

Jackson, R. M. (Richard Meredith), 1903-1986. Enforcing the Law. Revised ed. Harmondsworth: Penguin, 1972.

Warning: These citations may not always be complete (especially for serials).