Citazione Stile APA (7a Edizione)

U.S. Bureau of Labor Statistics. (1941). Retail prices of food. U.S. Govt. Print. Off.

Citazione stile Chigago Style (17a edizione)

U.S. Bureau of Labor Statistics. Retail Prices of Food. Washington, D.C: U.S. Govt. Print. Off, 1941.

Citatione MLA (9a ed.)

U.S. Bureau of Labor Statistics. Retail Prices of Food. U.S. Govt. Print. Off, 1941.