MLA

Robertson, A. H, and J. G Merrills. Human Rights In the World : an Introduction to the Study of the International Protection of Human Rights. Manchester: Manchester university press, 1989.

APA

Robertson, A. H, & Merrills, J. G. (1989). Human rights in the world : an introduction to the study of the international protection of human rights. Manchester: Manchester university press.

Chicago

Robertson, A. H., and J. G Merrills. Human Rights In the World: An Introduction to the Study of the International Protection of Human Rights. Manchester: Manchester university press, 1989.