APA (7th ed.) Citation

Wahl, H. (2016). Theories of environmental influences on aging and behavior. Encyclopedia of geropsychology. https://doi.org/10.1007/978-981-287-080-3_132-2

Chicago Style (17th ed.) Citation

Wahl, Hans-Werner. "Theories of Environmental Influences on Aging and Behavior." Encyclopedia of Geropsychology 2016. https://doi.org/10.1007/978-981-287-080-3_132-2.

MLA (9th ed.) Citation

Wahl, Hans-Werner. "Theories of Environmental Influences on Aging and Behavior." Encyclopedia of Geropsychology, 2016, https://doi.org/10.1007/978-981-287-080-3_132-2.