APA-viite (7. p.)
ebrary, Inc, Caruana, D. J., & Olsen, A. E. (2012). Anaerobic digestion: Processes, products and applications. Nova Science Publishers.
Chicago-viite (17. p.)
ebrary, Inc, Daniel J. Caruana, ja Amanda E. Olsen. Anaerobic Digestion: Processes, Products and Applications. New York: Nova Science Publishers, 2012.
MLA-viite (9. p.)
ebrary, Inc, et al. Anaerobic Digestion: Processes, Products and Applications. Nova Science Publishers, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.