APA (7th ed.) Citation

Frankton, C., & Mulligan, G. A. (1987). Weeds of Canada (Revised 1987.). NC Press.

Chicago Style (17th ed.) Citation

Frankton, Clarence, and Gerald A. Mulligan. Weeds of Canada. Revised 1987. Toronto: NC Press, 1987.

MLA (9th ed.) Citation

Frankton, Clarence, and Gerald A. Mulligan. Weeds of Canada. Revised 1987. NC Press, 1987.