APA引文

Porter, J. G. (1952). Comets and meteor streams. Chapman & Hall.

芝加哥风格引文

Porter, John Guy. Comets and Meteor Streams. London: Chapman & Hall, 1952.

MLA引文

Porter, John Guy. Comets and Meteor Streams. Chapman & Hall, 1952.

警告：这些引文格式不一定是100％准确.