APA (7th ed.) Citation

Turnbull, P. J., & Webster, R. (1998). Drug use and committing crime are linked, but to what extent? CEP bulletin, 7, 9.

Chicago Style (17th ed.) Citation

Turnbull, Paul J., and Russell Webster. "Drug Use and Committing Crime Are Linked, but to What Extent?" CEP Bulletin 7 (1998): 9.

MLA (8th ed.) Citation

Turnbull, Paul J., and Russell Webster. "Drug Use and Committing Crime Are Linked, but to What Extent?" CEP Bulletin, 7, 1998, p. 9.