Cita APA (7a ed.)

Seward, R. R. (1978). The American family: A demographic history Sage library of social research.

Cita Chicago Style (17a ed.)

Seward, Rudy R. "The American Family: A Demographic History." Sage Library of Social Research 1978.

Cita MLA (8a ed.)

Seward, Rudy R. "The American Family: A Demographic History." Sage Library of Social Research, 1978.