APA (7th ed.) Citation

Hafliger, E., & Scholz, H. (1980). Grass weeds. Documenta.

Chicago Style (17th ed.) Citation

Hafliger, Ernst, and Hildemar Scholz. Grass Weeds. Basle, Switzerland: Documenta, 1980.

MLA (8th ed.) Citation

Hafliger, Ernst, and Hildemar Scholz. Grass Weeds. Documenta, 1980.