Citação norma APA

Ruggles, S. (1994). The transformation of American family structure. The American historical review. - American Historical Association.

Citação norma Chicago

Ruggles, Steven. "The Transformation of American Family Structure." The American Historical Review. - American Historical Association 1994.

Citação norma MLA

Ruggles, Steven. "The Transformation of American Family Structure." The American Historical Review. - American Historical Association, 1994.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.