Cook, M. G. (1963). The new library key (2nd ed.). Wilson.
Cita Chicago (17th ed.)Cook, Margaret G. The New Library Key. 2nd ed. New York: Wilson, 1963.
Cita MLA (9th ed.)Cook, Margaret G. The New Library Key. 2nd ed. Wilson, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.