Cita APA (7a ed.)

Heller, P. S., Hemming, R., & Kohnert, P. W. (1986). Aging and social expenditure in the major industrial countries, 1980-2025. FMI.

Cita Chicago Style (17a ed.)

Heller, Peter S., Richard Hemming, y Peter W. Kohnert. Aging and Social Expenditure in the Major Industrial Countries, 1980-2025. Washington: FMI, 1986.

Cita MLA (8a ed.)

Heller, Peter S., et al. Aging and Social Expenditure in the Major Industrial Countries, 1980-2025. FMI, 1986.