MLA

Kennedy, Antony, et al. Pro Css for High Traffic Websites. Apress, 2011.

APA

Kennedy, A., De Leâon, I., de León, I., Leâon, I. de, León, I., León, I. de, & Storey, D. (2011). Pro CSS for High Traffic Websites. Apress.

Chicago

Kennedy, Antony, Inayaili De Leâon, Inayaili De Leâon, Inayaili de León, Inayaili de Leâon, Inayaili León, Inayaili de León, and David Storey. Pro CSS for High Traffic Websites. : Apress, 2011.