APA引文

George Santayana (1863-1952). (1986). Persons and places (Fragnments of autobiography): Vol.1 - The works of George Santayana. Cambridge, Massachusettes: MIT.

Trích dẫn kiểu Chicago

George Santayana (1863-1952). Persons and Places (Fragnments of Autobiography): Vol.1 - The Works of George Santayana. Cambridge, Massachusettes: MIT, 1986.

MLA引文

George Santayana (1863-1952). Persons and Places (Fragnments of Autobiography): Vol.1 - The Works of George Santayana. Cambridge, Massachusettes: MIT, 1986.

警告：這些引文格式不一定是100％准確.