SpringerLink (Online service), Pacini, E., Nepi, M., & Nicolson, S. W. (2007). Nectaries and nectar. Springer.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Ettore Pacini, Massimo Nepi, and Susan W. Nicolson. Nectaries and Nectar. Dordrecht: Springer, 2007.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Nectaries and Nectar. Springer, 2007.
Warning: These citations may not always be 100% accurate.