MLA

Agenda (London, England). [Reviews] A 13-21, by Louis Zukofsky and Catullus (Gai Valeri Catulli Veronensis Liber), by Celia and Louis Zukofsky, typescript. Box 9, folder 600. undated. https://collections.library.yale.edu/catalog/17426408.

APA, 6th edition

Agenda (London, England). (["Box 9, folder 600"])(undated)[[Reviews] A 13-21, by Louis Zukofsky and Catullus (Gai Valeri Catulli Veronensis Liber), by Celia and Louis Zukofsky, typescript]. https://collections.library.yale.edu/catalog/17426408.