APA引文

Ehlers, H. J. (1977). Crucial issues in education (6th ed.). Holt, Rinehart, Winston.

芝加哥风格引文

Ehlers, Henry J. Crucial Issues in Education. 6th ed. New York: Holt, Rinehart, Winston, 1977.

MLA引文

Ehlers, Henry J. Crucial Issues in Education. 6th ed. Holt, Rinehart, Winston, 1977.

警告：这些引文格式不一定是100％准确.