Template:Citation needed

Usage

Inline marker for an unsourced factual claim. Per the wiki's citation rule, every non-trivial factual claim should have a `<ref>` tag pointing to a real source; use this template only as a temporary flag while we hunt down the source, not as a shipping target.

The half-life is approximately 165 hours.{{Citation needed}}

Renders as: The half-life is approximately 165 hours.^{[citation needed]}

Use `<sup>[citation needed]</sup>` as a shorthand alias.