APA引文

Freedman, R., & Schwartz, H. (1961). Marx on Economics. Harmondsworth: Penguin Books.

Chicago Style (17th ed.) Citation

Freedman, Robert, and Harry Schwartz. Marx on Economics. Harmondsworth: Penguin Books, 1961.

MLA引文

Freedman, Robert, and Harry Schwartz. Marx on Economics. Harmondsworth: Penguin Books, 1961.

警告：這些引文格式不一定是100％准確.