Citazione Stile APA (7a Edizione)

Brown, B., Gordon, K., Robards, J., & Williams, M. (1979). People and languages. Macdonald.

Citazione stile Chigago Style (17a edizione)

Brown, Bobb, Keith Gordon, John Robards, e Michael Williams. People and Languages. London: Macdonald, 1979.

Citatione MLA (9a ed.)

Brown, Bobb, et al. People and Languages. Macdonald, 1979.