Cita APA (7a ed.)

Archer, L. J. (1988). Slavery and other forms of unfree labour. Routledge.

Cita Chicago Style (17a ed.)

Archer, Léonie J. Slavery and Other Forms of Unfree Labour. London [etc.]: Routledge, 1988.

Cita MLA (9a ed.)

Archer, Léonie J. Slavery and Other Forms of Unfree Labour. Routledge, 1988.