APA Citation

Close, G. C., & Close, G. C. (1960). Work improvement. New York, New York: Willey.

Chicago Style Citation

Close, Guy C., and Guy C. Close. Work Improvement. New York, New York: Willey, 1960.

MLA Citation

Close, Guy C., and Guy C. Close. Work Improvement. New York, New York: Willey, 1960.

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