APA引文

Higgins, G. G. (1976). Labor Day Statement,1976. Washington, D.C..

Chicago Style (17th ed.) Citation

Higgins, George G. Labor Day Statement,1976. Washington, D.C., 1976.

MLA引文

Higgins, George G. Labor Day Statement,1976. Washington, D.C., 1976.

警告：这些引文格式不一定是100％准确.