APA (7th ed.) Citation

Scagel, R. F. (1965). An evolutionary survey of the plant kingdom. Wadsworth Pub. Co..

Chicago Style (17th ed.) Citation

Scagel, Robert Francis. An Evolutionary Survey of the Plant Kingdom. Belmont, Calif.: Wadsworth Pub. Co., 1965.

MLA (9th ed.) Citation

Scagel, Robert Francis. An Evolutionary Survey of the Plant Kingdom. Wadsworth Pub. Co., 1965.