APA (7th ed.) Citation

Bullock, R., Little, M., & Millham, S. (1991). The care careers of extremely difficult and disturbed adolescents.

Chicago Style (17th ed.) Citation

Bullock, Roger, Michael Little, and Spencer Millham. The Care Careers of Extremely Difficult and Disturbed Adolescents. 1991.

MLA (9th ed.) Citation

Bullock, Roger, et al. The Care Careers of Extremely Difficult and Disturbed Adolescents. 1991.