Citação norma APA

Swineford, F. (1948). A study in factor analysis: The nature of the general,verbal, and spatial bi-factors. University of Chicago Press.

Citação norma Chicago

Swineford, Frances. A Study in Factor Analysis: The Nature of the General,verbal, and Spatial Bi-factors. Chicago: University of Chicago Press, 1948.

Citação norma MLA

Swineford, Frances. A Study in Factor Analysis: The Nature of the General,verbal, and Spatial Bi-factors. University of Chicago Press, 1948.

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