APA引文

Grazia, S. d. (1962). Of time work and leisure. New York: The Twentieth Century Fund.

Trích dẫn kiểu Chicago

Grazia, Sebastian de. Of Time Work and Leisure. New York: The Twentieth Century Fund, 1962.

MLA引文

Grazia, Sebastian de. Of Time Work and Leisure. New York: The Twentieth Century Fund, 1962.

警告：这些引文格式不一定是100％准确.