APA引文

SPEARS, H. (1951). Principles of teaching. Prentice-Hall.

芝加哥风格引文

SPEARS, Harold. Principles of Teaching. New York: Prentice-Hall, 1951.

MLA引文

SPEARS, Harold. Principles of Teaching. Prentice-Hall, 1951.

警告：这些引文格式不一定是100％准确.