APA引文

Baer, U. J. (1955). Letters to an American farmer. National Catholic Rural Life Conference.

Chicago Style (17th ed.) Citation

Baer, Urban J. Letters to an American Farmer. Des Moines: National Catholic Rural Life Conference, 1955.

MLA引文

Baer, Urban J. Letters to an American Farmer. National Catholic Rural Life Conference, 1955.

警告：这些引文格式不一定是100％准确.