APA引文

Adeney, G. C. (1948). POINTS FROM LETTERS: Zest in Old Age.

Citação norma Chicago

Adeney, G. C. POINTS FROM LETTERS: Zest in Old Age. 1948.

MLA引文

Adeney, G. C. POINTS FROM LETTERS: Zest in Old Age. 1948.

警告：這些引文格式不一定是100％准確.