Gaya APA

The U.S.A., a reprint in full of a new article on the United States appearing in the current edition of Compton's Pictured Encyclopedia. Copyright 1950. . ( tthn). Chicago: Compton.

Gaya MLA

The U.S.A., a reprint in full of a new article on the United States appearing in the current edition of Compton's Pictured Encyclopedia. Copyright 1950. . . Chicago: Compton, tthn. Buku.