APA引文

(1991). Seasons of life. Alvin H. Perlmutter, Inc.

芝加哥风格引文

Seasons of Life. [S.l]: Alvin H. Perlmutter, Inc, 1991.

MLA引文

Seasons of Life. Alvin H. Perlmutter, Inc, 1991.

警告：这些引文格式不一定是100％准确.