APA引文

Lippmann, W. (1943). U.S. foreign policy: Shield of the republic. Boston: Little Brown.

Παραπομπή Chicago Style

Lippmann, Walter. U.S. Foreign Policy: Shield of the Republic. Boston: Little Brown, 1943.

MLA引文

Lippmann, Walter. U.S. Foreign Policy: Shield of the Republic. Boston: Little Brown, 1943.

警告：这些引文格式不一定是100％准确.