APA citiranje

Long, H. C. (1934). Weed suppression by fertilizers and chemicals. H.C. Long.

Chicago Style (17th ed.) Citation

Long, H. C. Weed Suppression by Fertilizers and Chemicals. Surbiton, Surrey: H.C. Long, 1934.

MLA citiranje

Long, H. C. Weed Suppression by Fertilizers and Chemicals. H.C. Long, 1934.