MLA

Grâmmes : Revue Du Groupe Lettriste Et Hpergraphique 1957-1961:Mars / 1-7. R. Estivals, 1957. https://collections.library.yale.edu/catalog/30598849.

APA, 6th edition

Grâmmes : revue du groupe lettriste et hpergraphique 1957-1961:mars / 1-7. (1957). [Periodicals, Lettrist literature, Annotations (Provenance) 20th century, Protest works]. R. Estivals. https://collections.library.yale.edu/catalog/30598849.