Anonymous. Rivista Italo-Bulgara, Sofia, [1933]. In Bulgarian. [6225-1]
MLA
Anonymous. Rivista Italo-Bulgara, Sofia, [1933]. In Bulgarian. [6225-1]. 1933. https://collections.library.yale.edu/catalog/10658476.
APA, 6th edition
Anonymous. Rivista Italo-Bulgara, Sofia, [1933]. In Bulgarian. [6225-1]. (1933). [Scrapbooks]. https://collections.library.yale.edu/catalog/10658476.