APA (7th ed.) Citation

Rasmussen, K., & Rasmussen, J. (2000). Barley seed vigour and mechanical weed control. Weed Research, 40(2), 1.

Chicago Style (17th ed.) Citation

Rasmussen, K., and J. Rasmussen. "Barley Seed Vigour and Mechanical Weed Control." Weed Research 40, no. 2 (2000): 1.

MLA (9th ed.) Citation

Rasmussen, K., and J. Rasmussen. "Barley Seed Vigour and Mechanical Weed Control." Weed Research, vol. 40, no. 2, 2000, p. 1.