Cita APA (7th ed.)
BIRREN, J., & ET AL. (1992). HANDBOOK OF MENTAL HEALTH AND AGING. SECOND EDITION. ACADEMIC PRESS.
Cita Chicago (17th ed.)
BIRREN, J.E, i ET AL. HANDBOOK OF MENTAL HEALTH AND AGING. SECOND EDITION. SAN DIEGO: ACADEMIC PRESS, 1992.
Cita MLA (9th ed.)
BIRREN, J.E, i ET AL. HANDBOOK OF MENTAL HEALTH AND AGING. SECOND EDITION. ACADEMIC PRESS, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.