Citazione Stile APA (7a Edizione)

Sullivan, G. (1987). Work smart, not hard. Facts on File Publications.

Citazione stile Chigago Style (17a edizione)

Sullivan, George. Work Smart, Not Hard. New York, N.Y.: Facts on File Publications, 1987.

Citatione MLA (9a ed.)

Sullivan, George. Work Smart, Not Hard. Facts on File Publications, 1987.