Cita APA

Sayers, W. C. B. n. 1., & Sayers, W. C. B. n. 1. (1975). Manual of classification for librarians (5. edition [revised by] Arthur Maltby.). London, Sydney: A. Deutsch.

Citación estilo Chicago

Sayers, William Charles Berwick n. 1881, y William Charles Berwick n. 1881 Sayers. Manual of Classification for Librarians. 5. edition [revised by] Arthur Maltby. London, Sydney: A. Deutsch, 1975.

Cita MLA

Sayers, William Charles Berwick n. 1881, y William Charles Berwick n. 1881 Sayers. Manual of Classification for Librarians. 5. edition [revised by] Arthur Maltby. London, Sydney: A. Deutsch, 1975.