Photographer, W. M. H. L. Pictorial key to genera of plant-parasitc nematedes. Cornell University Press.
Chicago Style (17th ed.) CitationPhotographer, W.F. Mai H.H. Lyon. Pictorial Key to Genera of Plant-parasitc Nematedes. Cornell University Press.
MLA (8th ed.) CitationPhotographer, W.F. Mai H.H. Lyon. Pictorial Key to Genera of Plant-parasitc Nematedes. Cornell University Press.
Warning: These citations may not always be 100% accurate.