APA (7th ed.) Citation

Andersen, J. S. (2018). Quarterly News Digest. Ada User Journal, 39(1), 6.

Chicago Style (17th ed.) Citation

Andersen, Jacob Sparre. "Quarterly News Digest." Ada User Journal 39, no. 1 (2018): 6.

MLA (9th ed.) Citation

Andersen, Jacob Sparre. "Quarterly News Digest." Ada User Journal, vol. 39, no. 1, 2018, p. 6.