APA引文

Jacob E. Safra, P. C. (2010). The new Encyclopaedia Britannica, volume 19.

Trích dẫn kiểu Chicago

Jacob E. Safra, President Chicago…. The New Encyclopaedia Britannica, Volume 19. 2010.

MLA引文

Jacob E. Safra, President Chicago…. The New Encyclopaedia Britannica, Volume 19. 2010.

警告：這些引文格式不一定是100％准確.