APA (7th ed.) Citation

BLISS. (1991). Getting things done: The ABCs of time management. Charles Scribner's Sons.

Chicago Style (17th ed.) Citation

BLISS. Getting Things Done: The ABCs of Time Management. New York: Charles Scribner's Sons, 1991.

MLA (8th ed.) Citation

BLISS. Getting Things Done: The ABCs of Time Management. Charles Scribner's Sons, 1991.

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