Cita APA (7th ed.)

Kazdin, A. E. (2003). Methodological issues & strategies in clinical research (3rd ed.). American Psychological Association.

Cita Chicago (17th ed.)

Kazdin, Alan E. Methodological Issues & Strategies in Clinical Research. 3rd ed. Washington, DC: American Psychological Association, 2003.

Cita MLA (9th ed.)

Kazdin, Alan E. Methodological Issues & Strategies in Clinical Research. 3rd ed. American Psychological Association, 2003.