Berns, W. (2010). Lincoln at two hundred: Why we still read the sixteenth president. AEI Press ; Distributed to the trade by National Book Network.
芝加哥风格引文Berns, Walter. Lincoln at Two Hundred: Why We Still Read the Sixteenth President. Washington, D.C. : Blue Ridge Summit, Pa.: AEI Press ; Distributed to the trade by National Book Network, 2010.
MLA引文Berns, Walter. Lincoln at Two Hundred: Why We Still Read the Sixteenth President. AEI Press ; Distributed to the trade by National Book Network, 2010.
警告：这些引文格式不一定是100％准确.