APA引文

Hawels, H. R. Bells and carillons. s.n., 1949].

芝加哥风格引文

Hawels, Hugh Reginald. Bells and Carillons. [S.l: s.n., 1949].

MLA引文

Hawels, Hugh Reginald. Bells and Carillons. s.n., 1949].

警告：这些引文格式不一定是100％准确.