APA (7th ed.) Citation

Budd, A. C., Looman, J., & Best, K. F. (1979). Budd's flora of the Canadian Prairie Provinces (Rev. ed.). Agriculture Canada.

Chicago Style (17th ed.) Citation

Budd, A. C., Jan Looman, and Keith F. Best. Budd's Flora of the Canadian Prairie Provinces. Rev. ed. Ottawa: Agriculture Canada, 1979.

MLA (8th ed.) Citation

Budd, A. C., et al. Budd's Flora of the Canadian Prairie Provinces. Rev. ed. Agriculture Canada, 1979.