APA引文

Radek, K. (1935). Portraits and pamphlets. McBride.

芝加哥风格引文

Radek, Karl. Portraits and Pamphlets. N.Y.: McBride, 1935.

MLA引文

Radek, Karl. Portraits and Pamphlets. McBride, 1935.

警告：这些引文格式不一定是100％准确.