Cita APA (7th ed.)
Williamson, T. (2009). Older people's mental health today: A handbook. Pavilion Publishing.
Cita Chicago (17th ed.)
Williamson, Toby. Older People's Mental Health Today: A Handbook. England: Pavilion Publishing, 2009.
Cita MLA (9th ed.)
Williamson, Toby. Older People's Mental Health Today: A Handbook. Pavilion Publishing, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.