Cita APA (7a ed.)

Clark, T. C. (1973). Why the ABA standards? American Bar Assoc.

Cita Chicago Style (17a ed.)

Clark, Tom C. Why the ABA Standards? Washington, D.C: American Bar Assoc, 1973.

Cita MLA (9a ed.)

Clark, Tom C. Why the ABA Standards? American Bar Assoc, 1973.