APA (7th ed.) Citation

ScienceDirect (Online service), Hatch, M. D., & Boardman, N. K. (1981). Photosynthesis. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), M. D. Hatch, and N. K. Boardman. Photosynthesis. New York: Academic Press, 1981.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Photosynthesis. Academic Press, 1981.