APA citiranje

ebrary, Inc, Mangen, D. J., & Peterson, W. A. (1984). Research instruments in social gerontology. University of Minnesota Press.

Chicago Style (17th ed.) Citation

ebrary, Inc, David J. Mangen, and Warren A. Peterson. Research Instruments in Social Gerontology. Minneapolis, MN: University of Minnesota Press, 1984.

MLA citiranje

ebrary, Inc, et al. Research Instruments in Social Gerontology. University of Minnesota Press, 1984.