Cita APA (7th ed.)

Riechel, R. (1989). Personnel needs and changing reference service. Library Professional Publications.

Cita Chicago (17th ed.)

Riechel, Rosemaire. Personnel Needs and Changing Reference Service. Hamden, Conn: Library Professional Publications, 1989.

Cita MLA (9th ed.)

Riechel, Rosemaire. Personnel Needs and Changing Reference Service. Library Professional Publications, 1989.