APA (7th ed.) Citation

Wahl, H., & Ehni, H. (2020). Advanced old age as a developmental dilemma: An in-depth comparison of established fourth age conceptualizations. Journal of aging studies, 55, . https://doi.org/10.1016/j.jaging.2020.100896

Chicago Style (17th ed.) Citation

Wahl, Hans-Werner, and Hans-Jörg Ehni. "Advanced Old Age as a Developmental Dilemma: An In-depth Comparison of Established Fourth Age Conceptualizations." Journal of Aging Studies 55 (2020). https://doi.org/10.1016/j.jaging.2020.100896.

MLA (9th ed.) Citation

Wahl, Hans-Werner, and Hans-Jörg Ehni. "Advanced Old Age as a Developmental Dilemma: An In-depth Comparison of Established Fourth Age Conceptualizations." Journal of Aging Studies, vol. 55, 2020, https://doi.org/10.1016/j.jaging.2020.100896.