APA (7th ed.) Citation

Oswald, F., Wahl, H., & Kaspar, R. (2005). Psychological aspects of outdoor mobility in later life. Enhancing mobility in later life.

Chicago Style (17th ed.) Citation

Oswald, Frank, Hans-Werner Wahl, and Roman Kaspar. "Psychological Aspects of Outdoor Mobility in Later Life." Enhancing Mobility in Later Life 2005.

MLA (9th ed.) Citation

Oswald, Frank, et al. "Psychological Aspects of Outdoor Mobility in Later Life." Enhancing Mobility in Later Life, 2005.