Cita APA (7a ed.)
Kirschenbaum, H. On Becoming Carl Rogers. Delacorte.
Cita estilo Chicago (17a ed.)
Kirschenbaum, Howard. On Becoming Carl Rogers. Nueva York, EUA: Delacorte.
Cita MLA (9a ed.)
Kirschenbaum, Howard. On Becoming Carl Rogers. Delacorte.
警告：這些引文格式不一定是100％准確.