APA (7th ed.) Citation

(1971). How to get more done in less time / [by] Joseph D. Cooper.

Chicago Style (17th ed.) Citation

How to Get More Done in Less Time / [by] Joseph D. Cooper. 1971.

MLA (9th ed.) Citation

How to Get More Done in Less Time / [by] Joseph D. Cooper. 1971.

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