Cita APA (7a ed.)

Robertson, A. H., & Merrills, J. G. (1989). Human rights in the world: An introduction to the study of the international protection of human rights (3rd ed.). University Press.

Cita Chicago Style (17a ed.)

Robertson, A. H., y J. G. Merrills. Human Rights in the World: An Introduction to the Study of the International Protection of Human Rights. 3rd ed. Manchester [etc.]: University Press, 1989.

Cita MLA (9a ed.)

Robertson, A. H., y J. G. Merrills. Human Rights in the World: An Introduction to the Study of the International Protection of Human Rights. 3rd ed. University Press, 1989.