Cita APA (7th ed.)

Berry, D., & Cutts, R. (1986). Plants. Time-Life Books.

Cita Chicago (17th ed.)

Berry, Dick, i Robert Cutts. Plants. Hong Kong: Time-Life Books, 1986.

Cita MLA (9th ed.)

Berry, Dick, i Robert Cutts. Plants. Time-Life Books, 1986.