APA (7th ed.) Citation

Achenbaum, W. A. (1995). Crossing frontiers : gerontology emerges as a science / W. Andrew Achenbaum.: Gerontology emerges as a science. Cambridge University Press.

Chicago Style (17th ed.) Citation

Achenbaum, W. Andrew. Crossing Frontiers : Gerontology Emerges as a Science / W. Andrew Achenbaum.: Gerontology Emerges as a Science. Cambridge: Cambridge University Press, 1995.

MLA (9th ed.) Citation

Achenbaum, W. Andrew. Crossing Frontiers : Gerontology Emerges as a Science / W. Andrew Achenbaum.: Gerontology Emerges as a Science. Cambridge University Press, 1995.

Warning: These citations may not always be 100% accurate.