Cita APA (7th ed.)

Simpson, I. H., McKinney, J. C., & Spengler, J. J. (1966). Social aspects of aging. Duke University Press.

Cita Chicago (17th ed.)

Simpson, Ida Harper, John C. McKinney, i Joseph John Spengler. Social Aspects of Aging. Durham, N.C: Duke University Press, 1966.

Cita MLA (9th ed.)

Simpson, Ida Harper, et al. Social Aspects of Aging. Duke University Press, 1966.