APA (7th ed.) Citation

Szczawinski, A. F., & Turner, N. J. (1978). Edible garden weeds of Canada. National Museum of Natural Sciences.

Chicago Style (17th ed.) Citation

Szczawinski, Adam F., and Nancy J. Turner. Edible Garden Weeds of Canada. Ottawa, Canada: National Museum of Natural Sciences, 1978.

MLA (9th ed.) Citation

Szczawinski, Adam F., and Nancy J. Turner. Edible Garden Weeds of Canada. National Museum of Natural Sciences, 1978.