APA (7th ed.) Citation

Phytochemical Group, ScienceDirect (Online service), Friend, J., & Threlfall, D. R. (1976). Biochemical aspects of plant-parasite relationships: Proceedings of the Phytochemical Society Symposium, University of Hull, England, April, 1975. Academic Press.

Chicago Style (17th ed.) Citation

Phytochemical Group, ScienceDirect (Online service), J. Friend, and D. R. Threlfall. Biochemical Aspects of Plant-parasite Relationships: Proceedings of the Phytochemical Society Symposium, University of Hull, England, April, 1975. London ; New York: Academic Press, 1976.

MLA (9th ed.) Citation

Phytochemical Group, et al. Biochemical Aspects of Plant-parasite Relationships: Proceedings of the Phytochemical Society Symposium, University of Hull, England, April, 1975. Academic Press, 1976.