APA (7th ed.) Citation

Warwick, S. I., & Wall, D. A. (1998). The biology of Canadian weeds. 108. Erucastrum gallicum (Willd.) O.E. Schulz. Canadian Journal of Plant Science, 78(1), 155.

Chicago Style (17th ed.) Citation

Warwick, Suzanne I., and David A. Wall. "The Biology of Canadian Weeds. 108. Erucastrum Gallicum (Willd.) O.E. Schulz." Canadian Journal of Plant Science 78, no. 1 (1998): 155.

MLA (9th ed.) Citation

Warwick, Suzanne I., and David A. Wall. "The Biology of Canadian Weeds. 108. Erucastrum Gallicum (Willd.) O.E. Schulz." Canadian Journal of Plant Science, vol. 78, no. 1, 1998, p. 155.