IPI-Congress (4th : Madrid, Spain). (1958). Potassium symposium: 12 papers read at the Fourth Congress of the International Potash Institute (4 sessions), Madrid 1958. The Institute.
Chicago Style (17th ed.) CitationIPI-Congress (4th : Madrid, Spain). Potassium Symposium: 12 Papers Read at the Fourth Congress of the International Potash Institute (4 Sessions), Madrid 1958. Berne: The Institute, 1958.
MLA (9th ed.) CitationIPI-Congress (4th : Madrid, Spain). Potassium Symposium: 12 Papers Read at the Fourth Congress of the International Potash Institute (4 Sessions), Madrid 1958. The Institute, 1958.
Warning: These citations may not always be 100% accurate.