Cita APA (7th ed.)

Hurrelmann, K., Maggs, J. L., & Schulenberg, J. (1997). Health risks and developmental transitions during adolescence. Cambridge University Press.

Cita Chicago (17th ed.)

Hurrelmann, Klaus, Jennifer L. Maggs, i John Schulenberg. Health Risks and Developmental Transitions During Adolescence. Cambridge: Cambridge University Press, 1997.

Cita MLA (9th ed.)

Hurrelmann, Klaus, et al. Health Risks and Developmental Transitions During Adolescence. Cambridge University Press, 1997.