Smyth W. W. (1883). V. 39; The Quarterly Journal of the Geological Society of London. 1883.
Cita Chicago (17th ed.)Smyth W. W. V. 39; The Quarterly Journal of the Geological Society of London. 1883, 1883.
Cita MLA (9th ed.)Smyth W. W. V. 39; The Quarterly Journal of the Geological Society of London. 1883, 1883.
Atenció: Aquestes cites poden no estar 100% correctes.