Cita APA

Sayers, W. C. B. n. 1., & Sayers, W. C. B. n. 1. (1959). A Manual of classification for librarians and bibliographers (3. edition rev. with some corrections.). London, Sydney: Grafton.

Citación estilo Chicago

Sayers, William Charles Berwick n. 1881, y William Charles Berwick n. 1881 Sayers. A Manual of Classification for Librarians and Bibliographers. 3. edition rev. with some corrections. London, Sydney: Grafton, 1959.

Cita MLA

Sayers, William Charles Berwick n. 1881, y William Charles Berwick n. 1881 Sayers. A Manual of Classification for Librarians and Bibliographers. 3. edition rev. with some corrections. London, Sydney: Grafton, 1959.