APA引文

ebrary, Inc, & Nicholson, R. (2013). The placenta: Development, function and diseases. Nova Science Publishers, Inc..

芝加哥风格引文

ebrary, Inc, 与 Richard Nicholson. The Placenta: Development, Function and Diseases. Hauppauge, N.Y.: Nova Science Publishers, Inc., 2013.

MLA引文

ebrary, Inc, 与 Richard Nicholson. The Placenta: Development, Function and Diseases. Nova Science Publishers, Inc., 2013.

警告:这些引文格式不一定是100%准确.