APA引文

Singer,Ronald. (1999). Encyclopedia of paleontology: A- L. Fitzroy Dearborn Publishers.

Chicago Edition Citation

Singer,Ronald. Encyclopedia of Paleontology: A- L. Chicago: Fitzroy Dearborn Publishers, 1999.

MLA引文

Singer,Ronald. Encyclopedia of Paleontology: A- L. Fitzroy Dearborn Publishers, 1999.

警告：这些引文格式不一定是100％准确.