Clarke, A. C., & Books, t. s. o. T. (1969). Man and space. Time-Life.
Cita Chicago (17th ed.)Clarke, Arthur C., i the s of Time-Life Books. Man and Space. New York: Time-Life, 1969.
Cita MLA (9th ed.)Clarke, Arthur C., i the s of Time-Life Books. Man and Space. Time-Life, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.