Cita APA (7th ed.)

Hutchings, D. W. (1969). Edison at work: the Thomas A. Edison laboratory: At West Orange, New Jersey. Hastings.

Cita Chicago (17th ed.)

Hutchings, David W. Edison at Work: The Thomas A. Edison Laboratory: At West Orange, New Jersey. New York: Hastings, 1969.

Cita MLA (9th ed.)

Hutchings, David W. Edison at Work: The Thomas A. Edison Laboratory: At West Orange, New Jersey. Hastings, 1969.