Cita APA (7th ed.)

Becker, A., & Edwards, L. (1990). Contemporary´s citizenship now: A guide for naturalization. Contemporary Books.

Cita Chicago (17th ed.)

Becker, Aliza, i Laurie Edwards. Contemporary´s Citizenship Now: A Guide for Naturalization. Illinois: Contemporary Books, 1990.

Cita MLA (9th ed.)

Becker, Aliza, i Laurie Edwards. Contemporary´s Citizenship Now: A Guide for Naturalization. Contemporary Books, 1990.