Cita APA (7th ed.)
(1957). Macmillan's Pocket-Library. Muller.
Cita Chicago (17th ed.)
Macmillan's Pocket-Library. London: Muller, 1957.
Cita MLA (9th ed.)
Macmillan's Pocket-Library. Muller, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.