APA (7th ed.) Citation

EW, S., T, B., DA, B., E, B., SH, B., K, C., . . . J, Y. (2011). Database resources of the National Center for Biotechnology Information. Nucleic acids research, 39(Database issue), D38. https://doi.org/10.1093/nar/gkq1172

Chicago Style (17th ed.) Citation

EW, Sayers, et al. "Database Resources of the National Center for Biotechnology Information." Nucleic Acids Research 39, no. Database issue (2011): D38. https://doi.org/10.1093/nar/gkq1172.

MLA (9th ed.) Citation

EW, Sayers, et al. "Database Resources of the National Center for Biotechnology Information." Nucleic Acids Research, vol. 39, no. Database issue, 2011, p. D38, https://doi.org/10.1093/nar/gkq1172.