Cita APA (7a ed.)

Carpenter, P. J. (1992). Perceived control as a predictor of distress in children undergoing invasive medical procedures. [s.n.].

Cita Chicago Style (17a ed.)

Carpenter, Paul J. Perceived Control as a Predictor of Distress in Children Undergoing Invasive Medical Procedures. [S.l.]: [s.n.], 1992.

Cita MLA (9a ed.)

Carpenter, Paul J. Perceived Control as a Predictor of Distress in Children Undergoing Invasive Medical Procedures. [s.n.], 1992.