A Study of the I Don't Know Response in Multiple-Choice Tests. Iowa Testing Programs Occasional Papers, No. 5.

MLA

Iowa Testing Programs, Iowa City., et al. A Study of the I Don’t Know Response in Multiple-Choice Tests. Iowa Testing Programs Occasional Papers, No. 5. 1 Mar. 1974. 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=ED141371&authtype=sso&custid=ns315887.

APA

Iowa Testing Programs, I. C., Lee, L.-M. P., & Coffman, W. E. (1974). A Study of the I Don’t Know Response in Multiple-Choice Tests. Iowa Testing Programs Occasional Papers, No. 5.

Chicago

Iowa Testing Programs, Iowa City., Lai-Min Paul Lee, and William E. Coffman. 1974. “A Study of the I Don’t Know Response in Multiple-Choice Tests. Iowa Testing Programs Occasional Papers, No. 5.” 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=ED141371&authtype=sso&custid=ns315887.