MLA

Haverly, Jack, 1837-1901. Negro minstrels : a complete guide to Negro minstrelsy, containing recitations, jokes, crossfires, conundrums, riddles, stump speeches, ragtime and sentimental songs, etc., including hints on organizing and successfully presenting a performance / by Jack Haverly.. c1902.. https://collections.library.yale.edu/catalog/2006111.

APA, 6th edition

Haverly, Jack, 1837-1901. (c1902.)[Negro minstrels : a complete guide to Negro minstrelsy, containing recitations, jokes, crossfires, conundrums, riddles, stump speeches, ragtime and sentimental songs, etc., including hints on organizing and successfully presenting a performance / by Jack Haverly.]. https://collections.library.yale.edu/catalog/2006111.