Roleff, T. L. (1997). Gun control: Opposing viewpoints. Greenhaven Pr.
Cita Chicago Style (17a ed.)Roleff, Tamara L. Gun Control: Opposing Viewpoints. San Diego, Calif: Greenhaven Pr, 1997.
Cita MLA (8a ed.)Roleff, Tamara L. Gun Control: Opposing Viewpoints. Greenhaven Pr, 1997.
Precaución: Estas citas no son 100% exactas.