APA Citation

Collings, G. H. (1941). Commercial fertilizers: Their sources and use (3. ed.). Philadelphia: The Blakiston Company.

Chicago Style Citation

Collings, Gilbeart H. Commercial Fertilizers: Their Sources and Use. 3. ed. Philadelphia: The Blakiston Company, 1941.

MLA Citation

Collings, Gilbeart H. Commercial Fertilizers: Their Sources and Use. 3. ed. Philadelphia: The Blakiston Company, 1941.

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