Cita APA (7a ed.)

Williams, M. R. (1967). Human relations (1st published 1967.). Longmans.

Cita Chicago Style (17a ed.)

Williams, Michael R. Human Relations. 1st published 1967. London: Longmans, 1967.

Cita MLA (9a ed.)

Williams, Michael R. Human Relations. 1st published 1967. Longmans, 1967.