I'm a trav'ling to the grave.
MLA
I'm a Trav'Ling to the Grave. 0AD. https://collections.library.yale.edu/catalog/2055561.
APA, 6th edition
I'm a trav'ling to the grave. (0 C.E.). [Musical works]. https://collections.library.yale.edu/catalog/2055561.