Cita APA (7a ed.)

Bray, R. M. (1999). Chapter 2: The Washington, DC, Metropolitan Area Drug Study (DC*MADS). https://doi.org/10.4135/9781452204833.n2

Cita Chicago Style (17a ed.)

Bray, Robert M. Chapter 2: The Washington, DC, Metropolitan Area Drug Study (DC*MADS). 1999. https://doi.org/10.4135/9781452204833.n2.

Cita MLA (9a ed.)

Bray, Robert M. Chapter 2: The Washington, DC, Metropolitan Area Drug Study (DC*MADS). 1999. https://doi.org/10.4135/9781452204833.n2.