Cita APA (7a ed.)

Potomac Institute for Policy Studies, Siegrist, D. W., & Graham, J. M. (1999). Countering biological terrorism in the US: An understanding of issues and status. Terrorism.

Cita Chicago Style (17a ed.)

Potomac Institute for Policy Studies, David W. Siegrist, y Janice M. Graham. "Countering Biological Terrorism in the US: An Understanding of Issues and Status." Terrorism 1999.

Cita MLA (9a ed.)

Potomac Institute for Policy Studies, et al. "Countering Biological Terrorism in the US: An Understanding of Issues and Status." Terrorism, 1999.