Cita APA (7a ed.)

Siegel, L. J., & Bartollas, C. Corrections today (3. ed.). Cengage Learning.

Cita Chicago Style (17a ed.)

Siegel, Larry J., y Clemens Bartollas. Corrections Today. 3. ed. Boston, Mass: Cengage Learning.

Cita MLA (9a ed.)

Siegel, Larry J., y Clemens Bartollas. Corrections Today. 3. ed. Cengage Learning.