Guillaume Apollinaire. “4 heures.” No source, no date. [1299-1]
MLA
Guillaume Apollinaire. “4 Heures.” No Source, No Date. [1299-1]. 0AD. https://collections.library.yale.edu/catalog/10650524.
APA, 6th edition
Guillaume Apollinaire. “4 heures.” No source, no date. [1299-1]. (0 C.E.). [Scrapbooks]. https://collections.library.yale.edu/catalog/10650524.