APA-Zitierstil (7. Ausg.)

Collings, G. H. (1947). Commercial fertilizers: Their sources and use (4. ed.). Blakiston Co.

Chicago-Zitierstil (17. Ausg.)

Collings, Gilbeart H. Commercial Fertilizers: Their Sources and Use. 4. ed. Philadelphia: Blakiston Co, 1947.

MLA-Zitierstil (9. Ausg.)

Collings, Gilbeart H. Commercial Fertilizers: Their Sources and Use. 4. ed. Blakiston Co, 1947.