APA (7th ed.) Citation

SpringerLink (Online service), Pacini, E., Nepi, M., & Nicolson, S. W. (2007). Nectaries and nectar. Springer.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Ettore Pacini, Massimo Nepi, and Susan W. Nicolson. Nectaries and Nectar. Dordrecht: Springer, 2007.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Nectaries and Nectar. Springer, 2007.