APA (7th ed.) Citation

Small, E., & Catling, P. M. (1999). Canadian medicinal crops. NRC Research Press.

Chicago Style (17th ed.) Citation

Small, Ernest, and Paul M. Catling. Canadian Medicinal Crops. Ottawa: NRC Research Press, 1999.

MLA (9th ed.) Citation

Small, Ernest, and Paul M. Catling. Canadian Medicinal Crops. NRC Research Press, 1999.