Citazione Stile APA (7a Edizione)

Johnson, S. (2009). Peaks and valleys: Making good and bad times work for you--at work and in life (1st Atria books hardcover ed.). Atria Books.

Citazione stile Chigago Style (17a edizione)

Johnson, Spencer. Peaks and Valleys: Making Good and Bad Times Work for You--at Work and in Life. 1st Atria books hardcover ed. New York: Atria Books, 2009.

Citatione MLA (9a ed.)

Johnson, Spencer. Peaks and Valleys: Making Good and Bad Times Work for You--at Work and in Life. 1st Atria books hardcover ed. Atria Books, 2009.