Cita APA

Beaumont, J., & Beaumont, J. (2015). NorthStar 1: Reading and writing (3. edition.). White Plains, N.Y.: Pearson Education.

Citación estilo Chicago

Beaumont, John, y John Beaumont. NorthStar 1: Reading and Writing. 3. edition. White Plains, N.Y.: Pearson Education, 2015.

Cita MLA

Beaumont, John, y John Beaumont. NorthStar 1: Reading and Writing. 3. edition. White Plains, N.Y.: Pearson Education, 2015.