Cita APA (7th ed.)
Sosman, R. B. (1927). The Properties of silica.
Cita Chicago (17th ed.)
Sosman, Robert Browning. The Properties of Silica. New York, 1927.
Cita MLA (9th ed.)
Sosman, Robert Browning. The Properties of Silica. 1927.
Atenció: Aquestes cites poden no estar 100% correctes.