APA引文

Collings, G. H. (1955). Commercial fetilizers their sources and use (Ed.5.).

Chicago Edition Citation

Collings, Gilbert H. Commercial Fetilizers Their Sources and Use. Ed.5. 1955.

MLA引文

Collings, Gilbert H. Commercial Fetilizers Their Sources and Use. Ed.5. 1955.

警告：這些引文格式不一定是100％准確.