Commentaries on the laws of England :
in four books /
by William Blackstone.

APA Citation

Blackstone, W., Kerr, R. Malcolm. (1857). Commentaries on the laws of England: in four books. A new ed., adapted to the present state of the law / London: J. Murray.

MLA Citation

Blackstone, William, 1723-1780, and Robert Malcolm Kerr. Commentaries On the Laws of England: In Four Books. A new ed., adapted to the present state of the law / London: J. Murray, 1857.

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