Cita APA (7th ed.)

United States. Library of Congress, General Reference and Bibliography Division, Burr, N., & Jones, H. D. (1944). Biographical sources for foreign countries. [s.n.].

Cita Chicago (17th ed.)

United States. Library of Congress, General Reference and Bibliography Division, N.R Burr, i Helen Dudenbostel Jones. Biographical Sources for Foreign Countries. Washington: [s.n.], 1944.

Cita MLA (9th ed.)

United States. Library of Congress, et al. Biographical Sources for Foreign Countries. [s.n.], 1944.