APA

Raven P. H., Evert R. F. & Eichhorn S. E. (1999). Biology of Plants. New York: W.H. Freeman.

Chicago

Raven Peter H, Evert Ray F and Eichhorn Susan E. 1999. Biology of Plants. New York: W.H. Freeman.

Harvard

Raven P. H., Evert R. F. and Eichhorn S. E. (1999). Biology of Plants. New York: W.H. Freeman.

MLA

Raven Peter H, Evert Ray F and Eichhorn Susan E. Biology of Plants. New York: W.H. Freeman. 1999.