Viola labradorica × rostrata

MLA

Fred W. Rapp, and Fred W. Rapp. Viola Labradorica × Rostrata. 1940. 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=edsoai&AN=edsoai.on1304020232&authtype=sso&custid=ns315887.

APA

Fred W. Rapp, & Fred W. Rapp. (1940). Viola labradorica × rostrata.

Chicago

Fred W. Rapp, and Fred W. Rapp. 1940. “Viola Labradorica × Rostrata.” 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=edsoai&AN=edsoai.on1304020232&authtype=sso&custid=ns315887.