Cita APA (7a ed.)

Howells, J. G. (1981). Modern perspectives in the psychiatry of middle age. Modern perspectives in psychiatry.

Cita Chicago Style (17a ed.)

Howells, John G. "Modern Perspectives in the Psychiatry of Middle Age." Modern Perspectives in Psychiatry 1981.

Cita MLA (9a ed.)

Howells, John G. "Modern Perspectives in the Psychiatry of Middle Age." Modern Perspectives in Psychiatry, 1981.