Cita APA (7th ed.)

Balloffet, N., & Hille, J. (2005). Preservation and conservation for libraries and archives. American Library Association.

Cita Chicago (17th ed.)

Balloffet, Nelly, i Jenny Hille. Preservation and Conservation for Libraries and Archives. Chicago: American Library Association, 2005.

Cita MLA (9th ed.)

Balloffet, Nelly, i Jenny Hille. Preservation and Conservation for Libraries and Archives. American Library Association, 2005.