Cita APA (7a ed.)

Williams, T. H. (1967). Huey P. Long. At the Clarendon press.

Cita Chicago Style (17a ed.)

Williams, T. Harry. Huey P. Long. Oxford: At the Clarendon press, 1967.

Cita MLA (9a ed.)

Williams, T. Harry. Huey P. Long. At the Clarendon press, 1967.