A complete collection of the treaties and conventions, and reciprocal regulations at present subsisting between Great Britain and foreign powers :
and of the laws, decrees, and orders in council, concerning the same ... /
compiled from authentic documents by Lewis Hertslet. --
APA Citation
Hertslet, L., Great Britain. Foreign Office. (18401922). A complete collection of the treaties and conventions, and reciprocal regulations at present subsisting between Great Britain and foreign powers: and of the laws, decrees, and orders in council, concerning the same .... London: Butterworth.
MLA Citation
Hertslet, Lewis, 1787-1870, and Great Britain. Foreign Office. A Complete Collection of the Treaties And Conventions, And Reciprocal Regulations At Present Subsisting Between Great Britain And Foreign Powers: And of the Laws, Decrees, And Orders In Council, Concerning the Same .... London: Butterworth, 18401922.
Warning: These citations may not always be complete (especially for serials).