Cite
Fruit size variation and its effects on germination and seedling growth in Xanthium strumarium
MLA
Weis, I.Michael, and Jesse K. Zimmerman. “Fruit Size Variation and Its Effects on Germination and Seedling Growth in Xanthium Strumarium.” Canadian Journal of Botany, vol. 61, no. 9, Sept. 1983, p. 2309. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edb&AN=8073212&authtype=sso&custid=ns315887.
APA
Weis, I. M., & Zimmerman, J. K. (1983). Fruit size variation and its effects on germination and seedling growth in Xanthium strumarium. Canadian Journal of Botany, 61(9), 2309.
Chicago
Weis, I. Michael, and Jesse K. Zimmerman. 1983. “Fruit Size Variation and Its Effects on Germination and Seedling Growth in Xanthium Strumarium.” Canadian Journal of Botany 61 (9): 2309. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edb&AN=8073212&authtype=sso&custid=ns315887.