APA引文

Brown, L. R. (1999). Vital Sings 1999: The trends that are shaping our future. New York: W. W. Norton & company.

Trích dẫn kiểu Chicago

Brown, Lester R. Vital Sings 1999: The Trends That Are Shaping Our Future. New York: W. W. Norton & company, 1999.

MLA引文

Brown, Lester R. Vital Sings 1999: The Trends That Are Shaping Our Future. New York: W. W. Norton & company, 1999.

警告：這些引文格式不一定是100％准確.