MLA

of Manuscripts, Yale University. Department, and Archives. Book II Print 6: Havana Sidelights. 1958. https://collections.library.yale.edu/catalog/10018077.

APA, 6th edition

of Manuscripts, Y. U. D., & A. (1958). Book II Print 6: Havana sidelights. https://collections.library.yale.edu/catalog/10018077.