Working paper appears with multiple authors in reference list
A working paper with 15+ authors appears in the reference list like this:
Carleton, T., Delgado, M., Greenstone, M., Houser, T., Hsiang, S., Hultgren, A., … Zhang, A. (2019). Valuing the Global Mortality Consequences of Climate Change Accounting for Adaptation Costs and Benefits. Retrieved from https://bfi.uchicago.edu/working-paper/valuing-the-global-mortality-consequences-of-climate-change-accounting-for-adaptation-costs-and-benefits/
Shouldn't it be 5 names and then et al? The style is APA
Carleton, T., Delgado, M., Greenstone, M., Houser, T., Hsiang, S., Hultgren, A., … Zhang, A. (2019). Valuing the Global Mortality Consequences of Climate Change Accounting for Adaptation Costs and Benefits. Retrieved from https://bfi.uchicago.edu/working-paper/valuing-the-global-mortality-consequences-of-climate-change-accounting-for-adaptation-costs-and-benefits/
Shouldn't it be 5 names and then et al? The style is APA
Note that APA 7 increases the limit from 7 authors to 21.