Citazione APA

Library of Congress. Federal Research Division, Handloff, R. E., & Curran, B. D. (1990). Mauritania: A country study (2nd ed.). Federal Research Division, Library of Congress.

Stile di citazione Chicago

Library of Congress. Federal Research Division, Robert Earl Handloff, e Brian Dean Curran. Mauritania: A Country Study. 2nd ed. Washington, D.C.: Federal Research Division, Library of Congress, 1990.

Citazione MLA

Library of Congress. Federal Research Division, et al. Mauritania: A Country Study. 2nd ed. Federal Research Division, Library of Congress, 1990.