APA引文

Walker, S. (2012). Presidents and civil liberties from Wilson to Obama: A story of poor custodians. Cambridge University Press.

Chicago Edition Citation

Walker, Samuel. Presidents and Civil Liberties from Wilson to Obama: A Story of Poor Custodians. Cambridge: Cambridge University Press, 2012.

MLA引文

Walker, Samuel. Presidents and Civil Liberties from Wilson to Obama: A Story of Poor Custodians. Cambridge University Press, 2012.

警告：這些引文格式不一定是100％准確.