APA (7th ed.) Citation

Carpinelli, M. (2005). Spotted knapweed. Plant Conservation Alliance, Alien Plant Working Group.

Chicago Style (17th ed.) Citation

Carpinelli, Michael. Spotted Knapweed. [Washington, D.C.]: Plant Conservation Alliance, Alien Plant Working Group, 2005.

MLA (9th ed.) Citation

Carpinelli, Michael. Spotted Knapweed. Plant Conservation Alliance, Alien Plant Working Group, 2005.

Warning: These citations may not always be 100% accurate.