Cita APA (7th ed.)

Coon, N. (1977). The dictionary of useful plants. Rodale Press.

Cita Chicago (17th ed.)

Coon, Nelson. The Dictionary of Useful Plants. Emmaus: Rodale Press, 1977.

Cita MLA (9th ed.)

Coon, Nelson. The Dictionary of Useful Plants. Rodale Press, 1977.