APA (7th ed.) Citation

Bergen, J. J., & Bills, G. D. (1983). Spanish and portuguese in social context. Georgetown University Press.

Chicago Style (17th ed.) Citation

Bergen, John J., and Garland D. Bills. Spanish and Portuguese in Social Context. Washington, D.C: Georgetown University Press, 1983.

MLA (9th ed.) Citation

Bergen, John J., and Garland D. Bills. Spanish and Portuguese in Social Context. Georgetown University Press, 1983.