Cita APA (7a ed.)

D'Angelo, R. N., & Douglas, H. (2009). Taking sides (7th edition.). McGraw-Hill Higher Education.

Cita Chicago Style (17a ed.)

D'Angelo, Raymond N., y Herbert Douglas. Taking Sides. 7th edition. Boston: McGraw-Hill Higher Education, 2009.

Cita MLA (9a ed.)

D'Angelo, Raymond N., y Herbert Douglas. Taking Sides. 7th edition. McGraw-Hill Higher Education, 2009.