Citazione Stile APA (7a Edizione)

Brown, N. B. (1973). Price Indexes for 1973: U.S. Periodicals and Serial Services.

Citazione stile Chigago Style (17a edizione)

Brown, Norman B. Price Indexes for 1973: U.S. Periodicals and Serial Services. 1973.

Citatione MLA (9a ed.)

Brown, Norman B. Price Indexes for 1973: U.S. Periodicals and Serial Services. 1973.