APA (7th ed.) Citation

ScienceDirect (Online service), Roberts, A. V., Debener, T., & Gudin, S. (2003). Encyclopedia of rose science. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Andrew V. Roberts, Thomas Debener, and Serge Gudin. Encyclopedia of Rose Science. Amsterdam ; Boston: Elsevier, 2003.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Encyclopedia of Rose Science. Elsevier, 2003.