List by their last names and initials, separated by a comma. Put an & between the final two names.
Brooks, K., & Dunn, R.
Knowles-Carter, B., Carter, B.I., & Carter, S.
List by last names and initials; commas separate author names. After the sixth author's name, use an ellipses ... in place of the author names. Then provide the final author name. There should be no more than seven names.
Ehrlich, H., Shaala, L. A., Youssef, D. T., Żółtowska-Aksamitowska, S., Tsurkan, M., Galli, R., ... & Ivanenko, V. N. (2018). Discovery of chitin in skeletons of non-verongiid Red Sea demosponges. PloS One, 13(5), e0195803.
Start with the article title: Practical oral care for people with intellectual disability.
or Book title: Evicted: Poverty and profit in the American city.