Include the authors in the order in which they appear in the work. The first author will be formatted like in "One Author". Include a comma after the first author's name and the word and, followed by the second author's name in the normal order.
General Format
Last, First Initial., and First Initial Last.
Last, First, and First Last.
For Example
Ramugondo, Elelwani, and Lean'tin L. Bracks.
Leon, Javier F., and Ronald Andrews.