A digital object identifier (DOI) is a unique number/code to identify content and provide a reliable link to its location on the Internet. Unlike a URL, a DOI never changes.
Author, A., Author B., Author C., & Author, D. (Date of publication). Title of Journal article. Title of Journal, Journal volume(issue number) and page range of article. Retrieval information
Example—reference list entry
Groh, M., Krishnan, N., McKenzie, D., & Vishwanath, T. (2016). The impact of soft skills training on female youth employment: Evidence from a randomized experiment in Jordan. IZA Journal of Labor & Development, 5(9), 1-23. https://doi.org/10.1186/s40175-016-0055-9
Example—in-text citation
First citation
As Groh, Krishnan, McKenzie and Vishwanath (2016) discuss ... (p. 19).
or
… (Groh, Krishnan, McKenzie & Vishwanath, 2016, p. 19).
Second and subsequent citations
Groh et al. (2016) argue that ... (p. 19).
or
… (Groh et al., 2016, p. 19).