"Glupoe leto": holograph, signed "Chika Bura"
MLA
Rosimov, G. "Glupoe Leto": Holograph, Signed "Chika Bura". 0AD. https://collections.library.yale.edu/catalog/16537898.
APA, 6th edition
Rosimov, G. (0 C.E.). "Glupoe leto": holograph, signed "Chika Bura". https://collections.library.yale.edu/catalog/16537898.