Cita APA (7a ed.)
ebrary, Inc, & Bullock, J. A. (2006). Introduction to homeland security (2nd ed.). Butterworth-Heinemann.
Cita Chicago Style (17a ed.)
ebrary, Inc, y Jane A. Bullock. Introduction to Homeland Security. 2nd ed. Amsterdam ; Boston: Butterworth-Heinemann, 2006.
Cita MLA (9a ed.)
ebrary, Inc, y Jane A. Bullock. Introduction to Homeland Security. 2nd ed. Butterworth-Heinemann, 2006.
Precaución: Estas citas no son 100% exactas.