Steroid hormones in plants.

MLA

Heftmann, E. “Steroid Hormones in Plants.” Lloydia, vol. 38, no. 3, May 1975, pp. 195–209. 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=cmedm&AN=167257&authtype=sso&custid=ns315887.

APA

Heftmann, E. (1975). Steroid hormones in plants. Lloydia, 38(3), 195–209.

Chicago

Heftmann, E. 1975. “Steroid Hormones in Plants.” Lloydia 38 (3): 195–209. 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=cmedm&AN=167257&authtype=sso&custid=ns315887.