Cita APA

Downs, R. J., & Hellmers, H. (1975). Environment and the experimental control of plant growth. London: Academic Press.

Citación estilo Chicago

Downs, R. J., y H. Hellmers. Environment and the Experimental Control of Plant Growth. London: Academic Press, 1975.

Cita MLA

Downs, R. J., y H. Hellmers. Environment and the Experimental Control of Plant Growth. London: Academic Press, 1975.