Cita APA (7a ed.)

Schutt, W. H. (1943). Time Study Enginnering (1a ed, 2da impr.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Schutt, William H. Time Study Enginnering. 1a ed, 2da impr. New York: McGraw-Hill, 1943.

Cita MLA (8a ed.)

Schutt, William H. Time Study Enginnering. 1a ed, 2da impr. McGraw-Hill, 1943.