Cita APA (7th ed.)

Johnson, D. B. (1971). Population of Tunisia: Estimates and projections, 1967-2000. U. S. Bureau of the Census.

Cita Chicago (17th ed.)

Johnson, David B. Population of Tunisia: Estimates and Projections, 1967-2000. Washington: U. S. Bureau of the Census, 1971.

Cita MLA (9th ed.)

Johnson, David B. Population of Tunisia: Estimates and Projections, 1967-2000. U. S. Bureau of the Census, 1971.