Citação APA (7ª ed.)
ebrary, Inc, & Caulkins, J. P. (1999). An ounce of prevention, a pound of uncertainty: The cost-effectiveness of school-based drug prevention programs. Rand.
Citação do estilo Chicago (17ª ed.)
ebrary, Inc, e Jonathan P. Caulkins. An Ounce of Prevention, a Pound of Uncertainty: The Cost-effectiveness of School-based Drug Prevention Programs. Santa Monica, CA: Rand, 1999.
Citação MLA (9ª ed.)
ebrary, Inc, e Jonathan P. Caulkins. An Ounce of Prevention, a Pound of Uncertainty: The Cost-effectiveness of School-based Drug Prevention Programs. Rand, 1999.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.