Many of our databases provide you with help formatting your citations according to APA, MLA, or other citation styles. In the EBSCO databases (CINAHL, MEDLINE,Academic Search Complete), look for the CITE icon to the right of the database record.
If the CITE feature in CINAHL gives you a URL like this one
Then your DOI should look like this
Add it to the end of your APA reference. This sample APA reference should look like this
Espejo-Reina, A., Carrascal-Morillo, M. T., & Delgado-Martínez, A. D. (2021).
Comparison of two different ways to apply a circular plaster cast for distal radius fractures: Biomechanical study. Journal of Orthopaedic Surgery & Research, 16(1), 1–6. https://doi.org/10.1186/s13018-021-02256-1