APA Citation

Willis, S. L., & Martin, M. (2005). Middle?adulthood?: A lifespan perspective. Thousand Oaks, Calif: SAGE Publications.

Chicago Style Citation

Willis, Sherry L., and Mike Martin. Middle?adulthood?: A Lifespan Perspective. Thousand Oaks, Calif: SAGE Publications, 2005.

MLA Citation

Willis, Sherry L., and Mike Martin. Middle?adulthood?: A Lifespan Perspective. Thousand Oaks, Calif: SAGE Publications, 2005.

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