<ref>
{{cite web
| url =
| title = <title of source page on website>
| last = <lname of author>
| first = <fname of author>
| date =
| website = <website name, if it has one other than the domain name>
| publisher = <org/company>
| access-date =
| quote = <context quote if needed>
}}
</ref>
Check {{cite web}} for extra params if translating/using non-English sources.