APA (7th ed.) Citation

International Board for Plant Genetic Resources, Asian Vegetable Research and Development Center, Dourado, A. M., Opeña, R. T., & Tay, C. S. (1987). Descriptors for Brassica campestris L. IBPGR.

Chicago Style (17th ed.) Citation

International Board for Plant Genetic Resources, Asian Vegetable Research and Development Center, A. M. Dourado, R. T. Opeña, and C. S. Tay. Descriptors for Brassica Campestris L. Rome: IBPGR, 1987.

MLA (9th ed.) Citation

International Board for Plant Genetic Resources, et al. Descriptors for Brassica Campestris L. IBPGR, 1987.