Cita APA (7a ed.)

Barnes, R. M. (1958). Motion and time study (4th ed.). Wiley.

Cita Chicago Style (17a ed.)

Barnes, Ralph M. Motion and Time Study. 4th ed. New York: Wiley, 1958.

Cita MLA (8a ed.)

Barnes, Ralph M. Motion and Time Study. 4th ed. Wiley, 1958.