Gaya APA

al.], N, W, M, [. (2013). Hand Pulling Following Mowing and Herbicide Treatments Increases Control of Spotted Knapweed (Centaurea stoebe) (6, October–December 2013). New York: Weed Science Society America.

Gaya MLA

al.], Neil, W., MacDonald, [et. "Hand Pulling Following Mowing and Herbicide Treatments Increases Control of Spotted Knapweed (Centaurea stoebe)". 6, October–December 2013 New York: Weed Science Society America, 2013. e-journal.