APA (7th ed.) Citation

International Congress of Gerontology Washington, D. C., & International Association of Gerontology. (1969). Proceedings. International Association of Gerontology.

Chicago Style (17th ed.) Citation

International Congress of Gerontology Washington, D. C., and International Association of Gerontology. Proceedings. Washington: International Association of Gerontology, 1969.

MLA (8th ed.) Citation

International Congress of Gerontology Washington, D. C., and International Association of Gerontology. Proceedings. International Association of Gerontology, 1969.