Cita APA (7a ed.)
Dunlap, E., Johnson, B., & Sanabria, H. (Spring 1990). Studying crack users and their criminal careers: The scientific and artistic aspects of locating hard-to-reach subjects and interviewing them about sensitive topics. Contemporary Drug Problems, 17, 121-145.
Cita Chicago Style (17a ed.)
Dunlap, Eloise, Bruce Johnson, y Harry Sanabria. "Studying Crack Users and Their Criminal Careers: The Scientific and Artistic Aspects of Locating Hard-to-reach Subjects and Interviewing Them About Sensitive Topics." Contemporary Drug Problems 17 (Spring 1990): 121-145.
Cita MLA (9a ed.)
Dunlap, Eloise, et al. "Studying Crack Users and Their Criminal Careers: The Scientific and Artistic Aspects of Locating Hard-to-reach Subjects and Interviewing Them About Sensitive Topics." Contemporary Drug Problems, vol. 17, Spring 1990, pp. 121-145.
Precaución: Estas citas no son 100% exactas.