Franklin

MLA

Decker, Matthew, and William Richardson. An Essay On the Causes of the Declne [sic] of the Foreign Trade: Consequently of the Value of the Lands of Britain, and On the Means to Restore Both : Begun In the Year 1739. The 4th ed., [Ireland?: s.n.], 1751.

APA

Decker, M., & Richardson, W. (1751). An essay on the causes of the declne [sic] of the foreign trade: consequently of the value of the lands of Britain, and on the means to restore both : begun in the year 1739. The 4th ed., [Ireland?: s.n.].

Chicago

Decker, Matthew, Matthew Decker, and William Richardson. An Essay On the Causes of the Declne [sic] of the Foreign Trade: Consequently of the Value of the Lands of Britain, and On the Means to Restore Both : Begun In the Year 1739. The 4th ed., [Ireland?: s.n.], 1751.