Ford, B. (1983). The present. Penguin.
Cita Chicago (17th ed.)Ford, Boris. The Present. New York: Penguin, 1983.
Cita MLA (9th ed.)Ford, Boris. The Present. Penguin, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)