Cita APA (7th ed.)
Davinson, D. (1980). Reference Service. Bingley; Saur.
Cita Chicago (17th ed.)
Davinson, Donald. Reference Service. London; Munich, New York, Paris: Bingley; Saur, 1980.
Cita MLA (9th ed.)
Davinson, Donald. Reference Service. Bingley; Saur, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.