Cite

The Number of Ancestors which every person must have in each generation as far as the 50th.

MLA

Phillipps, Thomas, Sir, 1792-1872. The Number of Ancestors which every person must have in each generation as far as the 50th.. https://collections.library.yale.edu/catalog/16612764.

APA, 6th edition

Phillipps, Thomas, Sir, 1792-1872. [The Number of Ancestors which every person must have in each generation as far as the 50th.]. https://collections.library.yale.edu/catalog/16612764.