APA (7th ed.) Citation

Thomas, R. L. (1952). A manual of time study for supervisors. Columbia Graphs.

Chicago Style (17th ed.) Citation

Thomas, Robert Louis. A Manual of Time Study for Supervisors. Columbia, Conn.: Columbia Graphs, 1952.

MLA (9th ed.) Citation

Thomas, Robert Louis. A Manual of Time Study for Supervisors. Columbia Graphs, 1952.

Warning: These citations may not always be 100% accurate.