Cita APA (7th ed.)
Morris, M. (1991). Wall to wall: From Beijing to Berlin by rail. Penguin.
Cita Chicago (17th ed.)
Morris, Mary. Wall to Wall: From Beijing to Berlin by Rail. New York: Penguin, 1991.
Cita MLA (9th ed.)
Morris, Mary. Wall to Wall: From Beijing to Berlin by Rail. Penguin, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.