Who, What, Where, When, the following covers it.
<ref>Texas Department of Health, Bureau of Vital Statistics, Standard Certificate of Death, Sulpher Springs, County of Hopkins, Texas. Registrar's Number 5508947. C.W. Belcher. Dec 20, 1934</ref>
the <ref> </ref> makes the inline footnote. Eg:
Charles died 20 Dec 1934.<ref>Texas Department of Health, Bureau of Vital Statistics, Standard Certificate of Death, Sulpher Springs, County of Hopkins, Texas. Registrar's Number 5508947. C.W. Belcher. Dec 20, 1934</ref>