The Mirror.
A periodical paper, pub. at Edinburgh in the years 1779 and 1780 ...
APA Citation
Mackenzie, H. (1786). The Mirror: A periodical paper, pub. at Edinburgh in the years 1779 and 1780 ... 6 ed. London.
MLA Citation
Mackenzie, Henry, 1745-1831. The Mirror: A Periodical Paper, Pub. At Edinburgh In the Years 1779 And 1780 ... 6 ed. London, 1786.
Warning: These citations may not always be complete (especially for serials).