APA (7th ed.) Citation

Tarpley, W. G. (2008). Barack H. Obama: The unauthorized biography. Progressive Press.

Chicago Style (17th ed.) Citation

Tarpley, Webster Griffin. Barack H. Obama: The Unauthorized Biography. Joshua Tree, California: Progressive Press, 2008.

MLA (9th ed.) Citation

Tarpley, Webster Griffin. Barack H. Obama: The Unauthorized Biography. Progressive Press, 2008.