Firebird Films
MLA
Pound, Ezra, 1885-1972. Firebird Films. Box 6, folder 145. 1967-68. https://collections.library.yale.edu/catalog/17180216.
APA, 6th edition
Pound, Ezra, 1885-1972. (["Box 6, folder 145"])(1967-68)[Firebird Films]. https://collections.library.yale.edu/catalog/17180216.