O gate of life immortal
MLA
Warren, Edward Perry, 1860-1928. O gate of life immortal. Folder 155. https://collections.library.yale.edu/catalog/2043510.
APA, 6th edition
Warren, Edward Perry, 1860-1928. (["Folder 155"])[O gate of life immortal]. https://collections.library.yale.edu/catalog/2043510.