Cita APA (7a ed.)

Library Association. editor, Lea, P. W., & Day, A. (1990). Printed reference material and related sources of information (3rd ed.). Library Association.

Cita Chicago Style (17a ed.)

Library Association. editor, Peter W. Lea, y Alan Day. Printed Reference Material and Related Sources of Information. 3rd ed. London: Library Association, 1990.

Cita MLA (9a ed.)

Library Association. editor, et al. Printed Reference Material and Related Sources of Information. 3rd ed. Library Association, 1990.