Cita APA (7th ed.)

Hobbs, S., McKechnie, J., & Lavalette, M. (1999). Child labor: A world history companion. ABC-CLIO.

Cita Chicago (17th ed.)

Hobbs, Sandy, Jim McKechnie, i Michael Lavalette. Child Labor: A World History Companion. Santa Barbara, Calif: ABC-CLIO, 1999.

Cita MLA (9th ed.)

Hobbs, Sandy, et al. Child Labor: A World History Companion. ABC-CLIO, 1999.