APA-Zitierstil (7. Ausg.)

Willis, H. H., Tighe, M., & Lauland, A. (2018). Homeland security national risk characterization: Risk assessment methodology. RAND Corporation. https://doi.org/10.7249/RR2140

Chicago-Zitierstil (17. Ausg.)

Willis, Henry H., Mary Tighe, und Andrew Lauland. Homeland Security National Risk Characterization: Risk Assessment Methodology. Santa Monica, Calif: RAND Corporation, 2018. https://doi.org/10.7249/RR2140.

MLA-Zitierstil (9. Ausg.)

Willis, Henry H., et al. Homeland Security National Risk Characterization: Risk Assessment Methodology. RAND Corporation, 2018. https://doi.org/10.7249/RR2140.