APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Collings, Gilbeart H. Commercial Fertilizers: Their Sources and Use. 5th ed. McGraw-Hill, 1955.