[Letter of Shabbethai Tzevi, on reversing days of mourning in Judaism]
MLA
[Letter of Shabbethai Tzevi, on Reversing Days of Mourning in Judaism]. s.n., 0AD. https://collections.library.yale.edu/catalog/10000693.
APA, 6th edition
[Letter of Shabbethai Tzevi, on reversing days of mourning in Judaism]. (0 C.E.). [Correspondence (AAT), manuscripts (AAT)]. s.n., https://collections.library.yale.edu/catalog/10000693.