APA Citation

Collings, G. H. (1955). Commercial fertilizers: Their sources and use (5th.). New York: McGraw-Hill.

Chicago Style Citation

Collings, Gilbeart Hooper. Commercial Fertilizers: Their Sources and Use. 5th. New York: McGraw-Hill, 1955.

MLA Citation

Collings, Gilbeart Hooper. Commercial Fertilizers: Their Sources and Use. 5th. New York: McGraw-Hill, 1955.

Warning: These citations may not always be 100% accurate.