APA (7th ed.) Citation

Häfliger, E., & Scholz, H. (1980). Grass weeds 1: Weeds of the subfamily Panicoideae ... Documenta Ciba-Geigy.

Chicago Style (17th ed.) Citation

Häfliger, Ernst, and Hildemar Scholz. Grass Weeds 1: Weeds of the Subfamily Panicoideae ... Basle, Switzerland: Documenta Ciba-Geigy, 1980.

MLA (9th ed.) Citation

Häfliger, Ernst, and Hildemar Scholz. Grass Weeds 1: Weeds of the Subfamily Panicoideae ... Documenta Ciba-Geigy, 1980.