Lewis, S. (2016). Superfood breakfasts!: 50 smoothie bowls, power bars & energy balls. Lorenz Books.
Citazione stile Chigago Style (17a edizione)Lewis, Sara. Superfood Breakfasts!: 50 Smoothie Bowls, Power Bars & Energy Balls. London: Lorenz Books, 2016.
Citatione MLA (9a ed.)Lewis, Sara. Superfood Breakfasts!: 50 Smoothie Bowls, Power Bars & Energy Balls. Lorenz Books, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.