APA (7th ed.) Citation

Zahran, M. A., & Willis, A. J. (2009). The Vegetation of Egypt. Springer Netherlands.

Chicago Style (17th ed.) Citation

Zahran, M. A., and A. J. Willis. The Vegetation of Egypt. Dordrecht: Springer Netherlands, 2009.

MLA (8th ed.) Citation

Zahran, M. A., and A. J. Willis. The Vegetation of Egypt. Springer Netherlands, 2009.