APA (7th ed.) Citation

Häfliger, E., & Scholz, H. (1981). Grass weeds: 2, Weeds of the subfamilies Chloridoideae, Pooideae, Oryzoideae. Ciba-Geigy.

Chicago Style (17th ed.) Citation

Häfliger, Ernst, and Hildemar Scholz. Grass Weeds: 2, Weeds of the Subfamilies Chloridoideae, Pooideae, Oryzoideae. Basle: Ciba-Geigy, 1981.

MLA (9th ed.) Citation

Häfliger, Ernst, and Hildemar Scholz. Grass Weeds: 2, Weeds of the Subfamilies Chloridoideae, Pooideae, Oryzoideae. Ciba-Geigy, 1981.

Warning: These citations may not always be 100% accurate.