Downs, R. J., & Hellmers, H. Environment and the experimental control of plant growth.
Chicago Edition CitationDowns, R. J., and H. Hellmers. Environment and the Experimental Control of Plant Growth.
MLA Edition CitationDowns, R. J., and H. Hellmers. Environment and the Experimental Control of Plant Growth.
Warning: These citations may not always be 100% accurate.