Cita APA (7a ed.)
London, P. (1964). The Modes and Morals in Psychotherapy.
Cita estilo Chicago (17a ed.)
London, Perry. The Modes and Morals in Psychotherapy. 1964.
Cita MLA (9a ed.)
London, Perry. The Modes and Morals in Psychotherapy. 1964.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.