Cita APA (7a ed.)
W, C. (Jan99). The card catalog and other digital controversies. American Libraries, 30(1), 53-59.
Cita Chicago Style (17a ed.)
W, Crawford. "The Card Catalog and Other Digital Controversies." American Libraries 30, no. 1 (Jan99): 53-59.
Cita MLA (9a ed.)
W, Crawford. "The Card Catalog and Other Digital Controversies." American Libraries, vol. 30, no. 1, Jan99, pp. 53-59.
Precaución: Estas citas no son 100% exactas.