Cita APA (7a ed.)

Hartley, L. A. (1928). Human engineering and industrial economy. Printed by Marshall-Jackson Company.

Cita Chicago Style (17a ed.)

Hartley, Lawrence A. Human Engineering and Industrial Economy. [Chicago: Printed by Marshall-Jackson Company, 1928.

Cita MLA (8a ed.)

Hartley, Lawrence A. Human Engineering and Industrial Economy. Printed by Marshall-Jackson Company, 1928.