Cita APA (7a ed.)

Steckel, R. H. (1986). A dreadful childhood: The excess mortality of American slaves. Social science history, 10(4), 427-466.

Cita Chicago Style (17a ed.)

Steckel, Richard H. "A Dreadful Childhood: The Excess Mortality of American Slaves." Social Science History 10, no. 4 (1986): 427-466.

Cita MLA (9a ed.)

Steckel, Richard H. "A Dreadful Childhood: The Excess Mortality of American Slaves." Social Science History, vol. 10, no. 4, 1986, pp. 427-466.