APA (7th ed.) Citation

Scagel, R. F. (1984). Plants: An evolutionary survey. Wadsworth.

Chicago Style (17th ed.) Citation

Scagel, Robert F. Plants: An Evolutionary Survey. Belmont, Calif: Wadsworth, 1984.

MLA (9th ed.) Citation

Scagel, Robert F. Plants: An Evolutionary Survey. Wadsworth, 1984.