APA (7th ed.) Citation

Allen, R. R., Singh, R. P., Parr, J. F., & Stewart, B. A. (1990). Dryland agriculture: Strategies for sustainability. Springer-Verlag.

Chicago Style (17th ed.) Citation

Allen, R. R., R. P. Singh, J. F. Parr, and B. A. Stewart. Dryland Agriculture: Strategies for Sustainability. New York: Springer-Verlag, 1990.

MLA (9th ed.) Citation

Allen, R. R., et al. Dryland Agriculture: Strategies for Sustainability. Springer-Verlag, 1990.