Cita APA (7a ed.)

Perry, J. A., & Perry, E. K. (1984). Contemporary society: An introd. to social science (4. ed.). Harper & Row.

Cita Chicago Style (17a ed.)

Perry, John Ambrose, y Erna K. Perry. Contemporary Society: An Introd. to Social Science. 4. ed. Cambridge [u.a.]: Harper & Row, 1984.

Cita MLA (9a ed.)

Perry, John Ambrose, y Erna K. Perry. Contemporary Society: An Introd. to Social Science. 4. ed. Harper & Row, 1984.