Cita APA (7th ed.)
Spence, J. D. (1985). The memory palace of Matteo Ricci. Penguin Books.
Cita Chicago (17th ed.)
Spence, Jonathan D. The Memory Palace of Matteo Ricci. New York: Penguin Books, 1985.
Cita MLA (9th ed.)
Spence, Jonathan D. The Memory Palace of Matteo Ricci. Penguin Books, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.