Which of the following is a sign that an article may not be credible?

An article's lack of citations, sources, or presence of excessive sensationalism is a significant indicator that it may not be credible. Credible articles typically include proper citations and links to reliable sources, which support the claims and information presented. When an article lacks these elements, it raises concerns about the validity of the information being shared. Additionally, excessive sensationalism often signals an attempt to grab attention rather than provide well-founded information, suggesting that the content may be misleading or exaggerated. This combination of a lack of credible support and sensationalized claims can lead readers to question the reliability of the article as a whole, highlighting its potential lack of credibility.