Citazione Stile APA (7a Edizione)

ebrary, Inc, Mangen, D. J., & Peterson, W. A. (1982). Research instruments in social gerontology. University of Minnesota Press.

Citazione stile Chigago Style (17a edizione)

ebrary, Inc, David J. Mangen, e Warren A. Peterson. Research Instruments in Social Gerontology. Minneapolis, MN: University of Minnesota Press, 1982.

Citatione MLA (9a ed.)

ebrary, Inc, et al. Research Instruments in Social Gerontology. University of Minnesota Press, 1982.