Häfliger, E. (1982). Monocot weeds 3: Monocot weeds excluding grasses : einkeimblattrige unkrauter ausser Graser : monocotyledones adventices sauf les Graminees : Malezas monocotiledoneas no gramineas. Documenta Ciba-Geigy.
Chicago Style (17th ed.) CitationHäfliger, Ernst. Monocot Weeds 3: Monocot Weeds Excluding Grasses : Einkeimblattrige Unkrauter Ausser Graser : Monocotyledones Adventices Sauf Les Graminees : Malezas Monocotiledoneas No Gramineas. Basle, Switzerland: Documenta Ciba-Geigy, 1982.
MLA (9th ed.) CitationHäfliger, Ernst. Monocot Weeds 3: Monocot Weeds Excluding Grasses : Einkeimblattrige Unkrauter Ausser Graser : Monocotyledones Adventices Sauf Les Graminees : Malezas Monocotiledoneas No Gramineas. Documenta Ciba-Geigy, 1982.
Warning: These citations may not always be 100% accurate.