Cita APA (7a ed.)

Freedman, R. (1994). Kids at work: Lewis Hine and the crusade against child labor. Clarion Books.

Cita Chicago Style (17a ed.)

Freedman, Russell. Kids at Work: Lewis Hine and the Crusade Against Child Labor. New York: Clarion Books, 1994.

Cita MLA (9a ed.)

Freedman, Russell. Kids at Work: Lewis Hine and the Crusade Against Child Labor. Clarion Books, 1994.