Cita APA (7th ed.)

Coombs, R. S. (1992). Enlightening object lessons for children. Baker House.

Cita Chicago (17th ed.)

Coombs, Robert S. Enlightening Object Lessons for Children. Grand Rapids, Mich: Baker House, 1992.

Cita MLA (9th ed.)

Coombs, Robert S. Enlightening Object Lessons for Children. Baker House, 1992.