APA (7th ed.) Citation

ScienceDirect (Online service), Hooykaas, P. J. J., Hall, M. A., & Libbenga, K. R. (1999). Biochemistry and molecular biology of plant hormones. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Paul J. J. Hooykaas, M. A. Hall, and K. R. Libbenga. Biochemistry and Molecular Biology of Plant Hormones. Amsterdam ; New York: Elsevier, 1999.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Biochemistry and Molecular Biology of Plant Hormones. Elsevier, 1999.