APA (7th ed.) Citation

Dull, R. T. (1981). An empirical examination of competing theories of drug use. Univ. Microfilms Internat.

Chicago Style (17th ed.) Citation

Dull, R. Thomas. An Empirical Examination of Competing Theories of Drug Use. Ann Arbor, Mich: Univ. Microfilms Internat, 1981.

MLA (9th ed.) Citation

Dull, R. Thomas. An Empirical Examination of Competing Theories of Drug Use. Univ. Microfilms Internat, 1981.

Warning: These citations may not always be 100% accurate.