APA
Rountree C., . (2011). George W. Bush: a Biography. Santa Barbara: Greenwood press.
Chicago
Rountree Clarke, . 2011. George W. Bush: a Biography. Santa Barbara: Greenwood press.
Harvard
Rountree C., . (2011). George W. Bush: a Biography. Santa Barbara: Greenwood press.
MLA
Rountree Clarke, . George W. Bush: a Biography. Santa Barbara: Greenwood press. 2011.