(1960). Verhandlungen des IV. internationalen pflanzenschutz-kongresses Hamburg, 8-15. sempember 1957 = Proceedings of the IVth international congress pf crop protection Hamburg, 8th-15th september 1957 = Comptes rendus du IVe congres international de l. Braunschweig: ACO Druck GMBH.
Chicago Style CitationVerhandlungen Des IV. Internationalen Pflanzenschutz-kongresses Hamburg, 8-15. Sempember 1957 = Proceedings of the IVth International Congress Pf Crop Protection Hamburg, 8th-15th September 1957 = Comptes Rendus Du IVe Congres International De L. Braunschweig: ACO Druck GMBH, 1960.
MLA CitationVerhandlungen Des IV. Internationalen Pflanzenschutz-kongresses Hamburg, 8-15. Sempember 1957 = Proceedings of the IVth International Congress Pf Crop Protection Hamburg, 8th-15th September 1957 = Comptes Rendus Du IVe Congres International De L. Braunschweig: ACO Druck GMBH, 1960.