Cite
Descriptive and physiological botany. : [Supplementary material in Charles Darwin's copy].
MLA
Darwin, Charles, and John Stevens Henslow. Descriptive and Physiological Botany. : [Supplementary Material in Charles Darwin’s Copy]. 1837. 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.title.50370&authtype=sso&custid=ns315887.
APA
Darwin, C., & Henslow, J. S. (1837). Descriptive and physiological botany. : [Supplementary material in Charles Darwin’s copy].
Chicago
Darwin, Charles, and John Stevens Henslow. 1837. Descriptive and Physiological Botany. : [Supplementary Material in Charles Darwin’s Copy]. 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.title.50370&authtype=sso&custid=ns315887.