Cita APA (7a ed.)
New York Public Library. (1989). The New York public library desk reference. Stonesong press book.
Cita Chicago Style (17a ed.)
New York Public Library. The New York Public Library Desk Reference. New York: Stonesong press book, 1989.
Cita MLA (9a ed.)
New York Public Library. The New York Public Library Desk Reference. Stonesong press book, 1989.
Precaución: Estas citas no son 100% exactas.