著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Piper, Charles V. (Charles Vancouver)",Agricultural varieties of the cowpea and immediately related species,,Govt. Print. Off.,1912,"U.S. Department of Agriculture, Bureau of Plant Industry bulletin",,,,https://cir.nii.ac.jp/crid/1130000795239862400