There is an image of his death certificate at Ancestry.com. This is the shareable link:
https://www.ancestry.com/sharing/24520551?h=8562d2&utm_campaign=bandido-webparts&utm_source=post-share-modal&utm_medium=copy-url
This is the information you will need to construct a source citation...
Source Citation
Tennessee State Library and Archives; Nashville, Tennessee; Tennessee Death Records, 1908-1958; Roll Number: 6
Description
Year: 1937
Source Information
Ancestry.com. Tennessee, U.S., Death Records, 1908-1965 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2011.
Original data:Tennessee Death Records, 1908-1965. Nashville, Tennessee: Tennessee State Library and Archives. Tennessee City Death Records Nashville, Knoxville, Chattanooga, Memphis 1848-1907. Nashville, Tennessee: Tennessee State Library and Archives.
Source Description
This database contains death certificates, as well as indexes to those certificates for the state of Tennessee from 1908 to 1965.