APA引文

Sayers, D. L. (1969). Clouds of witness. Victor Collanez.

Chicago Edition Citation

Sayers, Dorothy L. Clouds of Witness. Victor Collanez, 1969.

MLA引文

Sayers, Dorothy L. Clouds of Witness. Victor Collanez, 1969.

警告：这些引文格式不一定是100％准确.