APA (7th ed.) Citation

Thieret, J. W., Porsild, A. E., & Cody, W. J. (1981). Vascular Plants of Continental Northwest Territories, Canada. Bulletin of the Torrey Botanical Club, 108(2), 281.

Chicago Style (17th ed.) Citation

Thieret, John W., A. Erling Porsild, and William J. Cody. "Vascular Plants of Continental Northwest Territories, Canada." Bulletin of the Torrey Botanical Club 108, no. 2 (1981): 281.

MLA (9th ed.) Citation

Thieret, John W., et al. "Vascular Plants of Continental Northwest Territories, Canada." Bulletin of the Torrey Botanical Club, vol. 108, no. 2, 1981, p. 281.