Second supplement to the catalogue of books in the Mercantile Library of the City of New York :
accessions October 1869 to April 1872.

APA Citation

Mercantile Library Association of the City of New-York. (1872). Second supplement to the catalogue of books in the Mercantile Library of the City of New York: accessions October 1869 to April 1872. New York: James Sutton.

MLA Citation

Mercantile Library Association of the City of New-York. Second Supplement to the Catalogue of Books In the Mercantile Library of the City of New York: Accessions October 1869 to April 1872. New York: James Sutton, 1872.

Warning: These citations may not always be complete (especially for serials).