MLA

Kassák Lajos. Ma, Aktivista folyóirat. [s.n.], 1922. https://collections.library.yale.edu/catalog/10268458.

APA, 6th edition

Kassák Lajos. (1922). Ma, aktivista folyóirat [Magazines (periodicals)]. [s.n.], https://collections.library.yale.edu/catalog/10268458.