Cita APA (7th ed.)

Scagel, R. (1984). Plants, an evolutionary survey. Wadsworth Pub. Co..

Cita Chicago (17th ed.)

Scagel, R.F. Plants, an Evolutionary Survey. Belmont, Calif.: Wadsworth Pub. Co., 1984.

Cita MLA (9th ed.)

Scagel, R.F. Plants, an Evolutionary Survey. Wadsworth Pub. Co., 1984.