Cita APA (7a ed.)
American Council of Learned Societes. (1967). On research libraries.
Cita estilo Chicago (17a ed.)
American Council of Learned Societes. On Research Libraries. 1967.
Cita MLA (9a ed.)
American Council of Learned Societes. On Research Libraries. 1967.
Precaución: Estas citas no son 100% exactas.