APA引文

Harvard classics: The five foot shelf of books. [s.l.]: Collier & Sons.

Παραπομπή Chicago Style

Harvard Classics: The Five Foot Shelf of Books. [s.l.]: Collier & Sons.

MLA引文

Harvard Classics: The Five Foot Shelf of Books. [s.l.]: Collier & Sons.

警告：这些引文格式不一定是100％准确.