Cite
What Works Clearinghouse™ Procedures Handbook, Version 4.1
MLA
What Works Clearinghouse (ED), and American Institutes for Research (AIR). “What Works Clearinghouse™ Procedures Handbook, Version 4.1.” What Works Clearinghouse, Jan. 2020. 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=eric&AN=ED602035&authtype=sso&custid=ns315887.
APA
What Works Clearinghouse (ED), & American Institutes for Research (AIR). (2020). What Works Clearinghouse™ Procedures Handbook, Version 4.1. What Works Clearinghouse.
Chicago
What Works Clearinghouse (ED), and American Institutes for Research (AIR). 2020. “What Works Clearinghouse™ Procedures Handbook, Version 4.1.” What Works Clearinghouse, January. 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=eric&AN=ED602035&authtype=sso&custid=ns315887.