APA (7th ed.) Citation

History Workshop Centre for Social History (Oxford, England), & Archer, L. J. (1988). Slavery and other forms of unfree labour. Routledge.

Chicago Style (17th ed.) Citation

History Workshop Centre for Social History (Oxford, England), and Léonie J. Archer. Slavery and Other Forms of Unfree Labour. London ; New York: Routledge, 1988.

MLA (8th ed.) Citation

History Workshop Centre for Social History (Oxford, England), and Léonie J. Archer. Slavery and Other Forms of Unfree Labour. Routledge, 1988.