Cita APA (7th ed.)
Hudson, K., & Nicholis, A. (1975). The directory of museums. Macmillan.
Cita Chicago (17th ed.)
Hudson, Kenneth, i Ann Nicholis. The Directory of Museums. London: Macmillan, 1975.
Cita MLA (9th ed.)
Hudson, Kenneth, i Ann Nicholis. The Directory of Museums. Macmillan, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.