Cita APA (7th ed.)
WHITMAN, B., & ACCARDO, P. (1990). WHEN A PARENT IS MENTALLY RETARDED. PAUL H.BROOKES.
Cita Chicago (17th ed.)
WHITMAN, B.Y, i P.J ACCARDO. WHEN A PARENT IS MENTALLY RETARDED. Londres: PAUL H.BROOKES, 1990.
Cita MLA (9th ed.)
WHITMAN, B.Y, i P.J ACCARDO. WHEN A PARENT IS MENTALLY RETARDED. PAUL H.BROOKES, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.