APA引文

Perkins, R. L., & Kierkegaard, S. (1985). The concept of anxiety. International Kierkegaard commentary.

Chicago Style (17th ed.) Citation

Perkins, Robert L., and Søren Kierkegaard. "The Concept of Anxiety." International Kierkegaard Commentary 1985.

MLA引文

Perkins, Robert L., and Søren Kierkegaard. "The Concept of Anxiety." International Kierkegaard Commentary, 1985.

警告：這些引文格式不一定是100％准確.