APA引文

Higgins, G. (1971). Labor Day statement, 1971. United States Catholic Conference.

Chicago Style (17th ed.) Citation

Higgins, George. Labor Day Statement, 1971. Washington D.C.: United States Catholic Conference, 1971.

MLA引文

Higgins, George. Labor Day Statement, 1971. United States Catholic Conference, 1971.

警告：这些引文格式不一定是100％准确.