APA način citiranja (7. izdanje)
ebrary, Inc, & Nicholson, R. (2013). The placenta: Development, function and diseases. Nova Science Publishers, Inc..
Čikaški stil citiranja (17. izdanje)
ebrary, Inc, i Richard Nicholson. The Placenta: Development, Function and Diseases. Hauppauge, N.Y.: Nova Science Publishers, Inc., 2013.
MLA način citiranja (9. izdanje)
ebrary, Inc, i Richard Nicholson. The Placenta: Development, Function and Diseases. Nova Science Publishers, Inc., 2013.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.