Cita APA (7a ed.)

Ellis, M., & O'Driscoll, N. (1987). Socializing. Longman.

Cita Chicago Style (17a ed.)

Ellis, Mark, y Nina O'Driscoll. Socializing. Harlow: Longman, 1987.

Cita MLA (8a ed.)

Ellis, Mark, y Nina O'Driscoll. Socializing. Longman, 1987.