MLA

of Manuscripts, Yale University. Department, and Archives. Book VIII Print 11: May Day Parade and Crowds, Observed by Fidel Castro and Other Cuban Officials. 1960. https://collections.library.yale.edu/catalog/10018623.

APA, 6th edition

of Manuscripts, Y. U. D., & A. (1960). Book VIII Print 11: May Day parade and crowds, observed by Fidel Castro and other Cuban officials. https://collections.library.yale.edu/catalog/10018623.