[Case for] letter from James Boswell to his son Alexander on being observant of mankind, 1794 February 7
MLA
[Case for] Letter from James Boswell to His Son Alexander on Being Observant of Mankind, 1794 February 7. 0AD. https://collections.library.yale.edu/catalog/2037896.
APA, 6th edition
[Case for] letter from James Boswell to his son Alexander on being observant of mankind, 1794 February 7. (0 C.E.). [Family papers]. https://collections.library.yale.edu/catalog/2037896.