Some considerations on the causes of earthquakes :
Which were read before the Royal society, April 5, 1750.

APA Citation

Hales, S. (1750). Some considerations on the causes of earthquakes: Which were read before the Royal society, April 5, 1750. London: R. Manby & H. S. Cox.

MLA Citation

Hales, Stephen, 1677-1761. Some Considerations On the Causes of Earthquakes: Which Were Read Before the Royal Society, April 5, 1750. London: R. Manby & H. S. Cox, 1750.

Warning: These citations may not always be complete (especially for serials).