Cita APA (7th ed.)

Pierce, S. J. (1990). Weeding and maintenance of reference collections. Haworth Press.

Cita Chicago (17th ed.)

Pierce, Sydney J. Weeding and Maintenance of Reference Collections. New York: Haworth Press, 1990.

Cita MLA (9th ed.)

Pierce, Sydney J. Weeding and Maintenance of Reference Collections. Haworth Press, 1990.