Adiche, Chimamanda Ngozi. “On Monday of Last Week.” The Thing around Your Neck, Knopf, 2009, pp. 74-94.
The location of a fully web based online work should include a URL.
Wheelis, Mark. "Investigating Disease Outbreaks under a Protocol to the Biological and Toxin Weapons Convention." Emerging Infectious Diseases, vol. 6, no. 6, 2000, pp. 595-600,wwwnc.cdc.gov/eid/article/6/6/00-0607_article.