APA (7th ed.) Citation

ScienceDirect (Online service), Leck, M. A., Parker, V. T., & Simpson, R. L. (1989). Ecology of soil seed banks. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Mary Allessio Leck, V. Thomas Parker, and Robert L. Simpson. Ecology of Soil Seed Banks. San Diego: Academic Press, 1989.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Ecology of Soil Seed Banks. Academic Press, 1989.