Cite
Evolution of Isoetalean Lycopsids
MLA
Pigg, Kathleen B. Evolution of Isoetalean Lycopsids. Jan. 1992, pp. 589–612. 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=edsbhl&AN=edsbhl.part.26765&authtype=sso&custid=ns315887.
APA
Pigg, K. B. (1992). Evolution of Isoetalean Lycopsids. 79, 589–612.
Chicago
Pigg, Kathleen B. 1992. “Evolution of Isoetalean Lycopsids,” Annals of the Missouri Botanical Garden, 79, 79 (January): 589–612. 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=edsbhl&AN=edsbhl.part.26765&authtype=sso&custid=ns315887.