APA (7th ed.) Citation

(1956). Expansion of the Current Population Survey sample, 1956. U.S. Dept. of Commerce, Bureau of the Census.

Chicago Style (17th ed.) Citation

Expansion of the Current Population Survey Sample, 1956. Washington, D.C.: U.S. Dept. of Commerce, Bureau of the Census, 1956.

MLA (9th ed.) Citation

Expansion of the Current Population Survey Sample, 1956. U.S. Dept. of Commerce, Bureau of the Census, 1956.