APA (7th ed.) Citation

Library of Congress. Federal Research Division, United States. Department of the Army, & Curtis, G. E. (1993). Bulgaria, a country study (2nd ed.). The Division : Headquarters, Dept. of the Army.

Chicago Style (17th ed.) Citation

Library of Congress. Federal Research Division, United States. Department of the Army, and Glenn E. Curtis. Bulgaria, a Country Study. 2nd ed. Washington, D.C.: The Division : Headquarters, Dept. of the Army, 1993.

MLA (9th ed.) Citation

Library of Congress. Federal Research Division, et al. Bulgaria, a Country Study. 2nd ed. The Division : Headquarters, Dept. of the Army, 1993.