APA (7th ed.) Citation

Conference on Aging University of Michigan, University of Michigan. Institute for Human Adjustment, University of Michigan. Extension Service, Donahue, W. T., & Tibbitts, C. (1968). Planning the older years. Greenwood Press.

Chicago Style (17th ed.) Citation

Conference on Aging University of Michigan, University of Michigan. Institute for Human Adjustment, University of Michigan. Extension Service, Wilma T. Donahue, and Clark Tibbitts. Planning the Older Years. New York: Greenwood Press, 1968.

MLA (9th ed.) Citation

Conference on Aging University of Michigan, et al. Planning the Older Years. Greenwood Press, 1968.