APA

Downs R. J., Hellmers H., . (1975). Environment and the experimental control of plant growth. London [u.a.]: Acad. Pr.

Chicago

Downs Robert Jack, Hellmers Henry, . 1975. Environment and the experimental control of plant growth. London [u.a.]: Acad. Pr.

Harvard

Downs R. J., Hellmers H., . (1975). Environment and the experimental control of plant growth. London [u.a.]: Acad. Pr.

MLA

Downs Robert Jack, Hellmers Henry, . Environment and the experimental control of plant growth. London [u.a.]: Acad. Pr. 1975.