Cita APA (7a ed.)

Pearson, G., & Hobbs, D. (2001). Middle market drug distribution Home Office research study.

Cita Chicago Style (17a ed.)

Pearson, Geoffrey, y Dick Hobbs. "Middle Market Drug Distribution." Home Office Research Study 2001.

Cita MLA (9a ed.)

Pearson, Geoffrey, y Dick Hobbs. "Middle Market Drug Distribution." Home Office Research Study, 2001.