APA-referens (7:e uppl.)

Richards, F. (1970). A risky way to kill: An Inspector Heinrich mystery. John Long.

Chicago-referens (17:e uppl.)

Richards, Francis. A Risky Way to Kill: An Inspector Heinrich Mystery. London: John Long, 1970.

MLA-referens (8:e uppl.)

Richards, Francis. A Risky Way to Kill: An Inspector Heinrich Mystery. John Long, 1970.