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, doi:10.3201/eid0606.000607.
According to Wheelis, "A direct quote from the article" (599).
"A direct quote from this article; however, only include the page number if the electronic article has the publication page numbers" (Wheelis 598).
A paraphrased sentence will have the author's name and the page number, if available, at the end (Wheelis 600).