APA (7th ed.) Citation

Tower, J. (2015). Programmed cell death in aging. Ageing research reviews, 23(Pt A), 90-100. https://doi.org/10.1016/j.arr.2015.04.002

Chicago Style (17th ed.) Citation

Tower, John. "Programmed Cell Death in Aging." Ageing Research Reviews 23, no. Pt A (2015): 90-100. https://doi.org/10.1016/j.arr.2015.04.002.

MLA (9th ed.) Citation

Tower, John. "Programmed Cell Death in Aging." Ageing Research Reviews, vol. 23, no. Pt A, 2015, pp. 90-100, https://doi.org/10.1016/j.arr.2015.04.002.