Unlocking the files of the FBI :
a guide to its records and classification system /
Gerald K. Haines and David A. Langbart.
APA Citation
Haines, G. K., Langbart, D. A. (1993). Unlocking the files of the FBI: a guide to its records and classification system. Wilmington, Del.: Scholarly Resources.
MLA Citation
Haines, Gerald K., 1943-, and David A. Langbart. Unlocking the Files of the FBI: a Guide to Its Records And Classification System. Wilmington, Del.: Scholarly Resources, 1993.
Warning: These citations may not always be complete (especially for serials).