Cita APA (7a ed.)

Burchell, S. C. (1967). Age of progress. Time-Life International.

Cita Chicago Style (17a ed.)

Burchell, S. C. Age of Progress. Nederland, BV: Time-Life International, 1967.

Cita MLA (9a ed.)

Burchell, S. C. Age of Progress. Time-Life International, 1967.