APA (7th ed.) Citation

Minority Rights Group, Bruce-Mitford, M., & Thornberry, P. (1989). World directory of minorities. Longman [u.a.].

Chicago Style (17th ed.) Citation

Minority Rights Group, Miranda Bruce-Mitford, and Patrick Thornberry. World Directory of Minorities. Harlow, Essex: Longman [u.a.], 1989.

MLA (8th ed.) Citation

Minority Rights Group, et al. World Directory of Minorities. Longman [u.a.], 1989.