Cita APA (7a ed.)
CHRISTOFFEL, K. (1998). PSYCHIATRIC AND INJURY PREVENTION APPROACHES TO YOUTH SUICIDE: QUESTIONS, ANSWERS, AND LETHAL MEANS.
Cita Chicago Style (17a ed.)
CHRISTOFFEL, K.K. PSYCHIATRIC AND INJURY PREVENTION APPROACHES TO YOUTH SUICIDE: QUESTIONS, ANSWERS, AND LETHAL MEANS. 1998.
Cita MLA (9a ed.)
CHRISTOFFEL, K.K. PSYCHIATRIC AND INJURY PREVENTION APPROACHES TO YOUTH SUICIDE: QUESTIONS, ANSWERS, AND LETHAL MEANS. 1998.
Precaución: Estas citas no son 100% exactas.