Cita APA (7th ed.)

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.