Cita APA

Whitestone, P., & Whitestone, P. (1977). Photocopying in libraries: The librarians speak. White Plains, N.Y.: Knowledge Industry.

Citación estilo Chicago

Whitestone, Patricia, y Patricia Whitestone. Photocopying in Libraries: The Librarians Speak. White Plains, N.Y.: Knowledge Industry, 1977.

Cita MLA

Whitestone, Patricia, y Patricia Whitestone. Photocopying in Libraries: The Librarians Speak. White Plains, N.Y.: Knowledge Industry, 1977.