APA引文

Popper, K. R. (1961). The logic of scientific discovery. New York: Science Edition,Inc.

Trích dẫn kiểu Chicago

Popper, Karl R. The Logic of Scientific Discovery. New York: Science Edition,Inc, 1961.

MLA引文

Popper, Karl R. The Logic of Scientific Discovery. New York: Science Edition,Inc, 1961.

警告：這些引文格式不一定是100％准確.